I could not break this equation. Please help me












2















 f_2=frac{sqrt{frac{s-4 text{mpsi}^2}{s-4 text{me}^2}} left(16 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^8-64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4
text{mpsi}^2+sright)} cos (theta ) text{mZ}^8+8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^4
cos (theta ) text{mZ}^6-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 cos
(theta ) text{mZ}^6+16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^6-64 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma
^2 cos (theta ) text{mZ}^6-40 text{ca} text{cw} text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^6+160 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^6-16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 cos (theta ) text{mZ}^4+64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^4 cos (theta ) text{mZ}^4+8 text{ca}
text{cw} text{EE}^2 g text{gpsi} s^4 Gamma ^2 cos (theta ) text{mZ}^4-32 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s^3 Gamma ^2 cos (theta ) text{mZ}^4-8 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos
(theta ) text{mZ}^4+32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^4+32 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^4-128 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^4-8 a text{ca} text{cv} g^2
text{gpsi}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+32 a text{ca} text{cv} g^2 text{gpsi}^2
text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+8 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^6 cos (theta ) text{mZ}^2-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2
s^5 cos (theta ) text{mZ}^2-8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^2+32 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^2-8 a text{ca} text{cv} g^2 text{gpsi}^2 s^5 sqrt{text{mZ}^4+left(Gamma ^2-2 sright)
text{mZ}^2+s^2} cos (theta ) text{mZ}^2+32 a text{ca} text{cv} g^2 text{gpsi}^2 text{me}^2 s^4
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2+8 a text{ca}
text{cv} g^2 text{gpsi}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2-32 a text{ca}
text{cv} g^2 text{gpsi}^2 text{me}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2right) theta
left(s-4 text{mpsi}^2right)}{256 text{cw}^2 text{mZ}^4 pi ^2 s^3 left(text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2right)^{3/2}}









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  • 6





    Let me guess: This was generated by some computer algebra system, Maple perhaps?

    – Harald Hanche-Olsen
    2 hours ago






  • 2





    I don't think breaking the equation into separate lines will help with the readability. It's a mess. Go back to maple and try to find a better output. Or start by finding where the fraction switches, and print the numerator and denominator separately.

    – Teepeemm
    1 hour ago
















2















 f_2=frac{sqrt{frac{s-4 text{mpsi}^2}{s-4 text{me}^2}} left(16 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^8-64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4
text{mpsi}^2+sright)} cos (theta ) text{mZ}^8+8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^4
cos (theta ) text{mZ}^6-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 cos
(theta ) text{mZ}^6+16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^6-64 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma
^2 cos (theta ) text{mZ}^6-40 text{ca} text{cw} text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^6+160 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^6-16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 cos (theta ) text{mZ}^4+64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^4 cos (theta ) text{mZ}^4+8 text{ca}
text{cw} text{EE}^2 g text{gpsi} s^4 Gamma ^2 cos (theta ) text{mZ}^4-32 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s^3 Gamma ^2 cos (theta ) text{mZ}^4-8 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos
(theta ) text{mZ}^4+32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^4+32 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^4-128 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^4-8 a text{ca} text{cv} g^2
text{gpsi}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+32 a text{ca} text{cv} g^2 text{gpsi}^2
text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+8 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^6 cos (theta ) text{mZ}^2-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2
s^5 cos (theta ) text{mZ}^2-8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^2+32 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^2-8 a text{ca} text{cv} g^2 text{gpsi}^2 s^5 sqrt{text{mZ}^4+left(Gamma ^2-2 sright)
text{mZ}^2+s^2} cos (theta ) text{mZ}^2+32 a text{ca} text{cv} g^2 text{gpsi}^2 text{me}^2 s^4
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2+8 a text{ca}
text{cv} g^2 text{gpsi}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2-32 a text{ca}
text{cv} g^2 text{gpsi}^2 text{me}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2right) theta
left(s-4 text{mpsi}^2right)}{256 text{cw}^2 text{mZ}^4 pi ^2 s^3 left(text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2right)^{3/2}}









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Sahabub Jahedi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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  • 6





    Let me guess: This was generated by some computer algebra system, Maple perhaps?

    – Harald Hanche-Olsen
    2 hours ago






  • 2





    I don't think breaking the equation into separate lines will help with the readability. It's a mess. Go back to maple and try to find a better output. Or start by finding where the fraction switches, and print the numerator and denominator separately.

    – Teepeemm
    1 hour ago














2












2








2








 f_2=frac{sqrt{frac{s-4 text{mpsi}^2}{s-4 text{me}^2}} left(16 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^8-64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4
text{mpsi}^2+sright)} cos (theta ) text{mZ}^8+8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^4
cos (theta ) text{mZ}^6-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 cos
(theta ) text{mZ}^6+16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^6-64 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma
^2 cos (theta ) text{mZ}^6-40 text{ca} text{cw} text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^6+160 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^6-16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 cos (theta ) text{mZ}^4+64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^4 cos (theta ) text{mZ}^4+8 text{ca}
text{cw} text{EE}^2 g text{gpsi} s^4 Gamma ^2 cos (theta ) text{mZ}^4-32 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s^3 Gamma ^2 cos (theta ) text{mZ}^4-8 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos
(theta ) text{mZ}^4+32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^4+32 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^4-128 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^4-8 a text{ca} text{cv} g^2
text{gpsi}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+32 a text{ca} text{cv} g^2 text{gpsi}^2
text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+8 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^6 cos (theta ) text{mZ}^2-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2
s^5 cos (theta ) text{mZ}^2-8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^2+32 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^2-8 a text{ca} text{cv} g^2 text{gpsi}^2 s^5 sqrt{text{mZ}^4+left(Gamma ^2-2 sright)
text{mZ}^2+s^2} cos (theta ) text{mZ}^2+32 a text{ca} text{cv} g^2 text{gpsi}^2 text{me}^2 s^4
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2+8 a text{ca}
text{cv} g^2 text{gpsi}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2-32 a text{ca}
text{cv} g^2 text{gpsi}^2 text{me}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2right) theta
left(s-4 text{mpsi}^2right)}{256 text{cw}^2 text{mZ}^4 pi ^2 s^3 left(text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2right)^{3/2}}









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 f_2=frac{sqrt{frac{s-4 text{mpsi}^2}{s-4 text{me}^2}} left(16 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^8-64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4
text{mpsi}^2+sright)} cos (theta ) text{mZ}^8+8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^4
cos (theta ) text{mZ}^6-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 cos
(theta ) text{mZ}^6+16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^6-64 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma
^2 cos (theta ) text{mZ}^6-40 text{ca} text{cw} text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^6+160 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^6-16 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 cos (theta ) text{mZ}^4+64
text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^4 cos (theta ) text{mZ}^4+8 text{ca}
text{cw} text{EE}^2 g text{gpsi} s^4 Gamma ^2 cos (theta ) text{mZ}^4-32 text{ca} text{cw}
text{EE}^2 g text{gpsi} text{me}^2 s^3 Gamma ^2 cos (theta ) text{mZ}^4-8 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos
(theta ) text{mZ}^4+32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^2 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} Gamma ^2 cos (theta ) text{mZ}^4+32 text{ca} text{cw}
text{EE}^2 g text{gpsi} s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^4-128 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2 s^3 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^4-8 a text{ca} text{cv} g^2
text{gpsi}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+32 a text{ca} text{cv} g^2 text{gpsi}^2
text{me}^2 s^2 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} sqrt{text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^4+8 text{ca} text{cw} text{EE}^2 g
text{gpsi} s^6 cos (theta ) text{mZ}^2-32 text{ca} text{cw} text{EE}^2 g text{gpsi} text{me}^2
s^5 cos (theta ) text{mZ}^2-8 text{ca} text{cw} text{EE}^2 g text{gpsi} s^5 sqrt{s left(-4
text{me}^2+4 text{mpsi}^2+sright)} cos (theta ) text{mZ}^2+32 text{ca} text{cw} text{EE}^2 g
text{gpsi} text{me}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)} cos (theta )
text{mZ}^2-8 a text{ca} text{cv} g^2 text{gpsi}^2 s^5 sqrt{text{mZ}^4+left(Gamma ^2-2 sright)
text{mZ}^2+s^2} cos (theta ) text{mZ}^2+32 a text{ca} text{cv} g^2 text{gpsi}^2 text{me}^2 s^4
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2+8 a text{ca}
text{cv} g^2 text{gpsi}^2 s^4 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2-32 a text{ca}
text{cv} g^2 text{gpsi}^2 text{me}^2 s^3 sqrt{s left(-4 text{me}^2+4 text{mpsi}^2+sright)}
sqrt{text{mZ}^4+left(Gamma ^2-2 sright) text{mZ}^2+s^2} cos (theta ) text{mZ}^2right) theta
left(s-4 text{mpsi}^2right)}{256 text{cw}^2 text{mZ}^4 pi ^2 s^3 left(text{mZ}^4+left(Gamma
^2-2 sright) text{mZ}^2+s^2right)^{3/2}}






equations






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edited 2 hours ago









Phelype Oleinik

25.2k54690




25.2k54690






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asked 2 hours ago









Sahabub JahediSahabub Jahedi

111




111




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Sahabub Jahedi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





Sahabub Jahedi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Sahabub Jahedi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








  • 6





    Let me guess: This was generated by some computer algebra system, Maple perhaps?

    – Harald Hanche-Olsen
    2 hours ago






  • 2





    I don't think breaking the equation into separate lines will help with the readability. It's a mess. Go back to maple and try to find a better output. Or start by finding where the fraction switches, and print the numerator and denominator separately.

    – Teepeemm
    1 hour ago














  • 6





    Let me guess: This was generated by some computer algebra system, Maple perhaps?

    – Harald Hanche-Olsen
    2 hours ago






  • 2





    I don't think breaking the equation into separate lines will help with the readability. It's a mess. Go back to maple and try to find a better output. Or start by finding where the fraction switches, and print the numerator and denominator separately.

    – Teepeemm
    1 hour ago








6




6





Let me guess: This was generated by some computer algebra system, Maple perhaps?

– Harald Hanche-Olsen
2 hours ago





Let me guess: This was generated by some computer algebra system, Maple perhaps?

– Harald Hanche-Olsen
2 hours ago




2




2





I don't think breaking the equation into separate lines will help with the readability. It's a mess. Go back to maple and try to find a better output. Or start by finding where the fraction switches, and print the numerator and denominator separately.

– Teepeemm
1 hour ago





I don't think breaking the equation into separate lines will help with the readability. It's a mess. Go back to maple and try to find a better output. Or start by finding where the fraction switches, and print the numerator and denominator separately.

– Teepeemm
1 hour ago










2 Answers
2






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oldest

votes


















3














First, the source needs to be broken up inserting line breaks at suitable places so you can get some idea of the total structure of the formula. An editor that will show you matching parentheses and highlight text according to chosen patterns is a great help here.



It turns out that the formula is a fraction in which most of the text is a parenthesised expression in the denumerator. That needs to be taken out, named, and typeset explicitly. I chose to call this expression Ξ.



Also, there are lots of unnecessary leftright pairs. I deleted those. Further, I replaced text by the more appropriate mathrm. I ended up with the following code. It's a complete, compilable latex document. It still has multiple issues that need to be dealt with before you have a readable output. Most importantly, all the multicharacter variable names need some spacing around them. Use , for that.



documentclass{article}
usepackage{mathtools,amsfonts}
allowdisplaybreaks[1]
begin{document}
begin{equation}
f_2=frac{
sqrt{frac{s-4 mathrm{mpsi}^2}{s-4 mathrm{me}^2}}
Xi theta (s-4 mathrm{mpsi}^2)}
{256 mathrm{cw}^2 mathrm{mZ}^4 pi ^2 s^3
(mathrm{mZ}^4
+(Gamma ^2-2 s) mathrm{mZ}^2+s^2)^{3/2}}
end{equation}
where
begin{align*}
Xi&=16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
mathrm{gpsi} s^2
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
cos (theta ) mathrm{mZ}^8
\&
-64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
sqrt{s (-4 mathrm{me}^2 +4 mathrm{mpsi}^2+s)} cos (theta ) mathrm{mZ}^8
+8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
cos (theta ) mathrm{mZ}^6
\&
-32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^3 cos
(theta ) mathrm{mZ}^6
\&
+16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^2
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
Gamma ^2 cos (theta ) mathrm{mZ}^6
\&
-64 mathrm{ca} mathrm{cw}
mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
Gamma ^2 cos (theta ) mathrm{mZ}^6
\&
-40 mathrm{ca} mathrm{cw} mathrm{EE}^2
g mathrm{gpsi} s^3
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
cos (theta ) mathrm{mZ}^6
\&
+160 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
mathrm{gpsi} mathrm{me}^2 s^2
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
mathrm{mZ}^6
\&
-16 mathrm{ca} mathrm{cw} mathrm{EE}^2
g mathrm{gpsi} s^5 cos (theta ) mathrm{mZ}^4
\&
+64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^4
cos (theta ) mathrm{mZ}^4
\&
+8 mathrm{ca}
mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4 Gamma ^2 cos (theta ) mathrm{mZ}^4
\&
-32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
s^3 Gamma ^2 cos (theta ) mathrm{mZ}^4
\&
-8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^3
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
Gamma ^2 cos (theta ) mathrm{mZ}^4
\&
+32 mathrm{ca} mathrm{cw} mathrm{EE}^2
g mathrm{gpsi} mathrm{me}^2 s^2
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
Gamma ^2 cos (theta ) mathrm{mZ}^4
\&
+32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
cos (theta ) mathrm{mZ}^4
\&
-128 mathrm{ca} mathrm{cw} mathrm{EE}^2
g mathrm{gpsi} mathrm{me}^2 s^3
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
cos (theta ) mathrm{mZ}^4
\&
-8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^3
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
cos (theta ) mathrm{mZ}^4
\&
+32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2
mathrm{me}^2 s^2
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
cos (theta ) mathrm{mZ}^4
\&
+8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
mathrm{gpsi} s^6 cos (theta ) mathrm{mZ}^2
-32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
s^5 cos (theta ) mathrm{mZ}^2
\&
-8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^5
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
cos (theta ) mathrm{mZ}^2
\&
+32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
mathrm{gpsi} mathrm{me}^2 s^4
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
mathrm{mZ}^2
\&
-8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^5
sqrt{mathrm{mZ}^4+(Gamma ^2-2 s)
mathrm{mZ}^2+s^2} cos (theta ) mathrm{mZ}^2
\&
+32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^4
sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
cos (theta ) mathrm{mZ}^2
\&
+8 a mathrm{ca}
mathrm{cv} g^2 mathrm{gpsi}^2 s^4
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
cos (theta ) mathrm{mZ}^2
\&
-32 a mathrm{ca}
mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^3
sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
cos (theta ) mathrm{mZ}^2
end{align*}
end{document}





share|improve this answer































    2














    There are a lot of repeated items in your equation. I suggest you do something like this, which eliminates all left and right sizing directives.



    enter image description here



    documentclass{article}
    usepackage{mathtools}
    newcommandvn[1]{mathrm{,#1}}
    allowdisplaybreaks
    begin{document}
    noindent
    Put
    $psi=sqrt{smash[b]{s (-4 vn{me}^2+4 vn{mpsi}^2+s)}}$,
    $phi=sqrt{smash[b]{vn{mZ}^4 +(Gamma^2-2 s) vn{mZ}^2+s^2}}$,
    $kappa= vn{ca} vn{cw} vn{EE}^2, g vn{gpsi}$, and
    $lambda=vn{ca} vn{cv}, g^2 vn{gpsi}^2$.
    Then
    begin{align*}
    f_2 &=ucdot v/w, \
    shortintertext{where}
    u &= sqrt{frac{s-4 vn{mpsi}^2}{s-4 vn{me}^2}},,\
    v &=begin{aligned}[t]bigl[
    &16 kappa s^2 psi costheta vn{mZ}^8
    \&-64 kappa vn{me}^2 s psi costheta vn{mZ}^8
    \&+8 kappa s^4costheta vn{mZ}^6
    \&-32 kappa vn{me}^2 s^3 costheta vn{mZ}^6
    \&+16 kappa s^2 psi Gamma^2 costheta vn{mZ}^6
    \&-64 kappa vn{me}^2 s psi Gamma^2 costheta vn{mZ}^6
    \&-40 kappa s^3 psi costheta vn{mZ}^6
    \&+160kappa vn{me}^2 s^2 psi costheta vn{mZ}^6
    \&-16 kappa s^5 costheta vn{mZ}^4
    \&+64 kappa vn{me}^2 s^4 costheta vn{mZ}^4
    \&+8 kappa s^4 Gamma^2 costheta vn{mZ}^4
    \&-32 kappa vn{me}^2 s^3 Gamma^2 costheta vn{mZ}^4
    \&-8 kappa s^3 psi Gamma^2 costheta vn{mZ}^4
    \&+32 kappa vn{me}^2 s^2 psi Gamma^2 costheta vn{mZ}^4
    \&+32 kappa s^4 psi costheta vn{mZ}^4
    \&-128kappa vn{me}^2 s^3 psi costheta vn{mZ}^4
    \&+8 kappa s^6 costheta vn{mZ}^2
    \&-32 kappa vn{me}^2 s^5 costheta vn{mZ}^2
    \&-8 kappa s^5 psi costheta vn{mZ}^2
    \&+32 kappa vn{me}^2 s^4 psi costheta vn{mZ}^2
    \&-8 alambda s^3 psi phi costheta vn{mZ}^4
    \&+32alambda vn{me}^2 s^2 psi phi costheta vn{mZ}^4
    \&-8 alambda s^5 phi costheta vn{mZ}^2
    \&+32alambda vn{me}^2 s^4 psi costheta vn{mZ}^2
    \&+8 alambda s^4 psi phi costheta vn{mZ}^2
    \&-32alambda vn{me}^2 s^3 psi phi costheta vn{mZ}^2bigr]
    theta(s-4 vn{mpsi}^2)
    end{aligned}\
    shortintertext{and}
    w &=256 vn{cw}^2 vn{mZ}^4 pi^2 s^3 phi^3.
    end{align*}
    end{document}





    share|improve this answer
























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      2 Answers
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      3














      First, the source needs to be broken up inserting line breaks at suitable places so you can get some idea of the total structure of the formula. An editor that will show you matching parentheses and highlight text according to chosen patterns is a great help here.



      It turns out that the formula is a fraction in which most of the text is a parenthesised expression in the denumerator. That needs to be taken out, named, and typeset explicitly. I chose to call this expression Ξ.



      Also, there are lots of unnecessary leftright pairs. I deleted those. Further, I replaced text by the more appropriate mathrm. I ended up with the following code. It's a complete, compilable latex document. It still has multiple issues that need to be dealt with before you have a readable output. Most importantly, all the multicharacter variable names need some spacing around them. Use , for that.



      documentclass{article}
      usepackage{mathtools,amsfonts}
      allowdisplaybreaks[1]
      begin{document}
      begin{equation}
      f_2=frac{
      sqrt{frac{s-4 mathrm{mpsi}^2}{s-4 mathrm{me}^2}}
      Xi theta (s-4 mathrm{mpsi}^2)}
      {256 mathrm{cw}^2 mathrm{mZ}^4 pi ^2 s^3
      (mathrm{mZ}^4
      +(Gamma ^2-2 s) mathrm{mZ}^2+s^2)^{3/2}}
      end{equation}
      where
      begin{align*}
      Xi&=16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
      mathrm{gpsi} s^2
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      cos (theta ) mathrm{mZ}^8
      \&
      -64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
      sqrt{s (-4 mathrm{me}^2 +4 mathrm{mpsi}^2+s)} cos (theta ) mathrm{mZ}^8
      +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
      cos (theta ) mathrm{mZ}^6
      \&
      -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^3 cos
      (theta ) mathrm{mZ}^6
      \&
      +16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^2
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      Gamma ^2 cos (theta ) mathrm{mZ}^6
      \&
      -64 mathrm{ca} mathrm{cw}
      mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      Gamma ^2 cos (theta ) mathrm{mZ}^6
      \&
      -40 mathrm{ca} mathrm{cw} mathrm{EE}^2
      g mathrm{gpsi} s^3
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      cos (theta ) mathrm{mZ}^6
      \&
      +160 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
      mathrm{gpsi} mathrm{me}^2 s^2
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
      mathrm{mZ}^6
      \&
      -16 mathrm{ca} mathrm{cw} mathrm{EE}^2
      g mathrm{gpsi} s^5 cos (theta ) mathrm{mZ}^4
      \&
      +64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^4
      cos (theta ) mathrm{mZ}^4
      \&
      +8 mathrm{ca}
      mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4 Gamma ^2 cos (theta ) mathrm{mZ}^4
      \&
      -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
      s^3 Gamma ^2 cos (theta ) mathrm{mZ}^4
      \&
      -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^3
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      Gamma ^2 cos (theta ) mathrm{mZ}^4
      \&
      +32 mathrm{ca} mathrm{cw} mathrm{EE}^2
      g mathrm{gpsi} mathrm{me}^2 s^2
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      Gamma ^2 cos (theta ) mathrm{mZ}^4
      \&
      +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      cos (theta ) mathrm{mZ}^4
      \&
      -128 mathrm{ca} mathrm{cw} mathrm{EE}^2
      g mathrm{gpsi} mathrm{me}^2 s^3
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      cos (theta ) mathrm{mZ}^4
      \&
      -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^3
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
      cos (theta ) mathrm{mZ}^4
      \&
      +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2
      mathrm{me}^2 s^2
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
      cos (theta ) mathrm{mZ}^4
      \&
      +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
      mathrm{gpsi} s^6 cos (theta ) mathrm{mZ}^2
      -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
      s^5 cos (theta ) mathrm{mZ}^2
      \&
      -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^5
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      cos (theta ) mathrm{mZ}^2
      \&
      +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
      mathrm{gpsi} mathrm{me}^2 s^4
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
      mathrm{mZ}^2
      \&
      -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^5
      sqrt{mathrm{mZ}^4+(Gamma ^2-2 s)
      mathrm{mZ}^2+s^2} cos (theta ) mathrm{mZ}^2
      \&
      +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^4
      sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
      cos (theta ) mathrm{mZ}^2
      \&
      +8 a mathrm{ca}
      mathrm{cv} g^2 mathrm{gpsi}^2 s^4
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
      cos (theta ) mathrm{mZ}^2
      \&
      -32 a mathrm{ca}
      mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^3
      sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
      sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
      cos (theta ) mathrm{mZ}^2
      end{align*}
      end{document}





      share|improve this answer




























        3














        First, the source needs to be broken up inserting line breaks at suitable places so you can get some idea of the total structure of the formula. An editor that will show you matching parentheses and highlight text according to chosen patterns is a great help here.



        It turns out that the formula is a fraction in which most of the text is a parenthesised expression in the denumerator. That needs to be taken out, named, and typeset explicitly. I chose to call this expression Ξ.



        Also, there are lots of unnecessary leftright pairs. I deleted those. Further, I replaced text by the more appropriate mathrm. I ended up with the following code. It's a complete, compilable latex document. It still has multiple issues that need to be dealt with before you have a readable output. Most importantly, all the multicharacter variable names need some spacing around them. Use , for that.



        documentclass{article}
        usepackage{mathtools,amsfonts}
        allowdisplaybreaks[1]
        begin{document}
        begin{equation}
        f_2=frac{
        sqrt{frac{s-4 mathrm{mpsi}^2}{s-4 mathrm{me}^2}}
        Xi theta (s-4 mathrm{mpsi}^2)}
        {256 mathrm{cw}^2 mathrm{mZ}^4 pi ^2 s^3
        (mathrm{mZ}^4
        +(Gamma ^2-2 s) mathrm{mZ}^2+s^2)^{3/2}}
        end{equation}
        where
        begin{align*}
        Xi&=16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
        mathrm{gpsi} s^2
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        cos (theta ) mathrm{mZ}^8
        \&
        -64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
        sqrt{s (-4 mathrm{me}^2 +4 mathrm{mpsi}^2+s)} cos (theta ) mathrm{mZ}^8
        +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
        cos (theta ) mathrm{mZ}^6
        \&
        -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^3 cos
        (theta ) mathrm{mZ}^6
        \&
        +16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^2
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        Gamma ^2 cos (theta ) mathrm{mZ}^6
        \&
        -64 mathrm{ca} mathrm{cw}
        mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        Gamma ^2 cos (theta ) mathrm{mZ}^6
        \&
        -40 mathrm{ca} mathrm{cw} mathrm{EE}^2
        g mathrm{gpsi} s^3
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        cos (theta ) mathrm{mZ}^6
        \&
        +160 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
        mathrm{gpsi} mathrm{me}^2 s^2
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
        mathrm{mZ}^6
        \&
        -16 mathrm{ca} mathrm{cw} mathrm{EE}^2
        g mathrm{gpsi} s^5 cos (theta ) mathrm{mZ}^4
        \&
        +64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^4
        cos (theta ) mathrm{mZ}^4
        \&
        +8 mathrm{ca}
        mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4 Gamma ^2 cos (theta ) mathrm{mZ}^4
        \&
        -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
        s^3 Gamma ^2 cos (theta ) mathrm{mZ}^4
        \&
        -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^3
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        Gamma ^2 cos (theta ) mathrm{mZ}^4
        \&
        +32 mathrm{ca} mathrm{cw} mathrm{EE}^2
        g mathrm{gpsi} mathrm{me}^2 s^2
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        Gamma ^2 cos (theta ) mathrm{mZ}^4
        \&
        +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        cos (theta ) mathrm{mZ}^4
        \&
        -128 mathrm{ca} mathrm{cw} mathrm{EE}^2
        g mathrm{gpsi} mathrm{me}^2 s^3
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        cos (theta ) mathrm{mZ}^4
        \&
        -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^3
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
        cos (theta ) mathrm{mZ}^4
        \&
        +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2
        mathrm{me}^2 s^2
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
        cos (theta ) mathrm{mZ}^4
        \&
        +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
        mathrm{gpsi} s^6 cos (theta ) mathrm{mZ}^2
        -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
        s^5 cos (theta ) mathrm{mZ}^2
        \&
        -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^5
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        cos (theta ) mathrm{mZ}^2
        \&
        +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
        mathrm{gpsi} mathrm{me}^2 s^4
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
        mathrm{mZ}^2
        \&
        -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^5
        sqrt{mathrm{mZ}^4+(Gamma ^2-2 s)
        mathrm{mZ}^2+s^2} cos (theta ) mathrm{mZ}^2
        \&
        +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^4
        sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
        cos (theta ) mathrm{mZ}^2
        \&
        +8 a mathrm{ca}
        mathrm{cv} g^2 mathrm{gpsi}^2 s^4
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
        cos (theta ) mathrm{mZ}^2
        \&
        -32 a mathrm{ca}
        mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^3
        sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
        sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
        cos (theta ) mathrm{mZ}^2
        end{align*}
        end{document}





        share|improve this answer


























          3












          3








          3







          First, the source needs to be broken up inserting line breaks at suitable places so you can get some idea of the total structure of the formula. An editor that will show you matching parentheses and highlight text according to chosen patterns is a great help here.



          It turns out that the formula is a fraction in which most of the text is a parenthesised expression in the denumerator. That needs to be taken out, named, and typeset explicitly. I chose to call this expression Ξ.



          Also, there are lots of unnecessary leftright pairs. I deleted those. Further, I replaced text by the more appropriate mathrm. I ended up with the following code. It's a complete, compilable latex document. It still has multiple issues that need to be dealt with before you have a readable output. Most importantly, all the multicharacter variable names need some spacing around them. Use , for that.



          documentclass{article}
          usepackage{mathtools,amsfonts}
          allowdisplaybreaks[1]
          begin{document}
          begin{equation}
          f_2=frac{
          sqrt{frac{s-4 mathrm{mpsi}^2}{s-4 mathrm{me}^2}}
          Xi theta (s-4 mathrm{mpsi}^2)}
          {256 mathrm{cw}^2 mathrm{mZ}^4 pi ^2 s^3
          (mathrm{mZ}^4
          +(Gamma ^2-2 s) mathrm{mZ}^2+s^2)^{3/2}}
          end{equation}
          where
          begin{align*}
          Xi&=16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^8
          \&
          -64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
          sqrt{s (-4 mathrm{me}^2 +4 mathrm{mpsi}^2+s)} cos (theta ) mathrm{mZ}^8
          +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
          cos (theta ) mathrm{mZ}^6
          \&
          -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^3 cos
          (theta ) mathrm{mZ}^6
          \&
          +16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^6
          \&
          -64 mathrm{ca} mathrm{cw}
          mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^6
          \&
          -40 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^6
          \&
          +160 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} mathrm{me}^2 s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
          mathrm{mZ}^6
          \&
          -16 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} s^5 cos (theta ) mathrm{mZ}^4
          \&
          +64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^4
          cos (theta ) mathrm{mZ}^4
          \&
          +8 mathrm{ca}
          mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4 Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
          s^3 Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          +32 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} mathrm{me}^2 s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^4
          \&
          -128 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} mathrm{me}^2 s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^4
          \&
          -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^4
          \&
          +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2
          mathrm{me}^2 s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^4
          \&
          +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} s^6 cos (theta ) mathrm{mZ}^2
          -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
          s^5 cos (theta ) mathrm{mZ}^2
          \&
          -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^5
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^2
          \&
          +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} mathrm{me}^2 s^4
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
          mathrm{mZ}^2
          \&
          -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^5
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s)
          mathrm{mZ}^2+s^2} cos (theta ) mathrm{mZ}^2
          \&
          +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^4
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^2
          \&
          +8 a mathrm{ca}
          mathrm{cv} g^2 mathrm{gpsi}^2 s^4
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^2
          \&
          -32 a mathrm{ca}
          mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^2
          end{align*}
          end{document}





          share|improve this answer













          First, the source needs to be broken up inserting line breaks at suitable places so you can get some idea of the total structure of the formula. An editor that will show you matching parentheses and highlight text according to chosen patterns is a great help here.



          It turns out that the formula is a fraction in which most of the text is a parenthesised expression in the denumerator. That needs to be taken out, named, and typeset explicitly. I chose to call this expression Ξ.



          Also, there are lots of unnecessary leftright pairs. I deleted those. Further, I replaced text by the more appropriate mathrm. I ended up with the following code. It's a complete, compilable latex document. It still has multiple issues that need to be dealt with before you have a readable output. Most importantly, all the multicharacter variable names need some spacing around them. Use , for that.



          documentclass{article}
          usepackage{mathtools,amsfonts}
          allowdisplaybreaks[1]
          begin{document}
          begin{equation}
          f_2=frac{
          sqrt{frac{s-4 mathrm{mpsi}^2}{s-4 mathrm{me}^2}}
          Xi theta (s-4 mathrm{mpsi}^2)}
          {256 mathrm{cw}^2 mathrm{mZ}^4 pi ^2 s^3
          (mathrm{mZ}^4
          +(Gamma ^2-2 s) mathrm{mZ}^2+s^2)^{3/2}}
          end{equation}
          where
          begin{align*}
          Xi&=16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^8
          \&
          -64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
          sqrt{s (-4 mathrm{me}^2 +4 mathrm{mpsi}^2+s)} cos (theta ) mathrm{mZ}^8
          +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
          cos (theta ) mathrm{mZ}^6
          \&
          -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^3 cos
          (theta ) mathrm{mZ}^6
          \&
          +16 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^6
          \&
          -64 mathrm{ca} mathrm{cw}
          mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^6
          \&
          -40 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^6
          \&
          +160 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} mathrm{me}^2 s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
          mathrm{mZ}^6
          \&
          -16 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} s^5 cos (theta ) mathrm{mZ}^4
          \&
          +64 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2 s^4
          cos (theta ) mathrm{mZ}^4
          \&
          +8 mathrm{ca}
          mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4 Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
          s^3 Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          +32 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} mathrm{me}^2 s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          Gamma ^2 cos (theta ) mathrm{mZ}^4
          \&
          +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^4
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^4
          \&
          -128 mathrm{ca} mathrm{cw} mathrm{EE}^2
          g mathrm{gpsi} mathrm{me}^2 s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^4
          \&
          -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^4
          \&
          +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2
          mathrm{me}^2 s^2
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^4
          \&
          +8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} s^6 cos (theta ) mathrm{mZ}^2
          -32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} mathrm{me}^2
          s^5 cos (theta ) mathrm{mZ}^2
          \&
          -8 mathrm{ca} mathrm{cw} mathrm{EE}^2 g mathrm{gpsi} s^5
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          cos (theta ) mathrm{mZ}^2
          \&
          +32 mathrm{ca} mathrm{cw} mathrm{EE}^2 g
          mathrm{gpsi} mathrm{me}^2 s^4
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)} cos (theta )
          mathrm{mZ}^2
          \&
          -8 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 s^5
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s)
          mathrm{mZ}^2+s^2} cos (theta ) mathrm{mZ}^2
          \&
          +32 a mathrm{ca} mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^4
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^2
          \&
          +8 a mathrm{ca}
          mathrm{cv} g^2 mathrm{gpsi}^2 s^4
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^2
          \&
          -32 a mathrm{ca}
          mathrm{cv} g^2 mathrm{gpsi}^2 mathrm{me}^2 s^3
          sqrt{s (-4 mathrm{me}^2+4 mathrm{mpsi}^2+s)}
          sqrt{mathrm{mZ}^4+(Gamma ^2-2 s) mathrm{mZ}^2+s^2}
          cos (theta ) mathrm{mZ}^2
          end{align*}
          end{document}






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 1 hour ago









          Harald Hanche-OlsenHarald Hanche-Olsen

          13.2k24762




          13.2k24762























              2














              There are a lot of repeated items in your equation. I suggest you do something like this, which eliminates all left and right sizing directives.



              enter image description here



              documentclass{article}
              usepackage{mathtools}
              newcommandvn[1]{mathrm{,#1}}
              allowdisplaybreaks
              begin{document}
              noindent
              Put
              $psi=sqrt{smash[b]{s (-4 vn{me}^2+4 vn{mpsi}^2+s)}}$,
              $phi=sqrt{smash[b]{vn{mZ}^4 +(Gamma^2-2 s) vn{mZ}^2+s^2}}$,
              $kappa= vn{ca} vn{cw} vn{EE}^2, g vn{gpsi}$, and
              $lambda=vn{ca} vn{cv}, g^2 vn{gpsi}^2$.
              Then
              begin{align*}
              f_2 &=ucdot v/w, \
              shortintertext{where}
              u &= sqrt{frac{s-4 vn{mpsi}^2}{s-4 vn{me}^2}},,\
              v &=begin{aligned}[t]bigl[
              &16 kappa s^2 psi costheta vn{mZ}^8
              \&-64 kappa vn{me}^2 s psi costheta vn{mZ}^8
              \&+8 kappa s^4costheta vn{mZ}^6
              \&-32 kappa vn{me}^2 s^3 costheta vn{mZ}^6
              \&+16 kappa s^2 psi Gamma^2 costheta vn{mZ}^6
              \&-64 kappa vn{me}^2 s psi Gamma^2 costheta vn{mZ}^6
              \&-40 kappa s^3 psi costheta vn{mZ}^6
              \&+160kappa vn{me}^2 s^2 psi costheta vn{mZ}^6
              \&-16 kappa s^5 costheta vn{mZ}^4
              \&+64 kappa vn{me}^2 s^4 costheta vn{mZ}^4
              \&+8 kappa s^4 Gamma^2 costheta vn{mZ}^4
              \&-32 kappa vn{me}^2 s^3 Gamma^2 costheta vn{mZ}^4
              \&-8 kappa s^3 psi Gamma^2 costheta vn{mZ}^4
              \&+32 kappa vn{me}^2 s^2 psi Gamma^2 costheta vn{mZ}^4
              \&+32 kappa s^4 psi costheta vn{mZ}^4
              \&-128kappa vn{me}^2 s^3 psi costheta vn{mZ}^4
              \&+8 kappa s^6 costheta vn{mZ}^2
              \&-32 kappa vn{me}^2 s^5 costheta vn{mZ}^2
              \&-8 kappa s^5 psi costheta vn{mZ}^2
              \&+32 kappa vn{me}^2 s^4 psi costheta vn{mZ}^2
              \&-8 alambda s^3 psi phi costheta vn{mZ}^4
              \&+32alambda vn{me}^2 s^2 psi phi costheta vn{mZ}^4
              \&-8 alambda s^5 phi costheta vn{mZ}^2
              \&+32alambda vn{me}^2 s^4 psi costheta vn{mZ}^2
              \&+8 alambda s^4 psi phi costheta vn{mZ}^2
              \&-32alambda vn{me}^2 s^3 psi phi costheta vn{mZ}^2bigr]
              theta(s-4 vn{mpsi}^2)
              end{aligned}\
              shortintertext{and}
              w &=256 vn{cw}^2 vn{mZ}^4 pi^2 s^3 phi^3.
              end{align*}
              end{document}





              share|improve this answer




























                2














                There are a lot of repeated items in your equation. I suggest you do something like this, which eliminates all left and right sizing directives.



                enter image description here



                documentclass{article}
                usepackage{mathtools}
                newcommandvn[1]{mathrm{,#1}}
                allowdisplaybreaks
                begin{document}
                noindent
                Put
                $psi=sqrt{smash[b]{s (-4 vn{me}^2+4 vn{mpsi}^2+s)}}$,
                $phi=sqrt{smash[b]{vn{mZ}^4 +(Gamma^2-2 s) vn{mZ}^2+s^2}}$,
                $kappa= vn{ca} vn{cw} vn{EE}^2, g vn{gpsi}$, and
                $lambda=vn{ca} vn{cv}, g^2 vn{gpsi}^2$.
                Then
                begin{align*}
                f_2 &=ucdot v/w, \
                shortintertext{where}
                u &= sqrt{frac{s-4 vn{mpsi}^2}{s-4 vn{me}^2}},,\
                v &=begin{aligned}[t]bigl[
                &16 kappa s^2 psi costheta vn{mZ}^8
                \&-64 kappa vn{me}^2 s psi costheta vn{mZ}^8
                \&+8 kappa s^4costheta vn{mZ}^6
                \&-32 kappa vn{me}^2 s^3 costheta vn{mZ}^6
                \&+16 kappa s^2 psi Gamma^2 costheta vn{mZ}^6
                \&-64 kappa vn{me}^2 s psi Gamma^2 costheta vn{mZ}^6
                \&-40 kappa s^3 psi costheta vn{mZ}^6
                \&+160kappa vn{me}^2 s^2 psi costheta vn{mZ}^6
                \&-16 kappa s^5 costheta vn{mZ}^4
                \&+64 kappa vn{me}^2 s^4 costheta vn{mZ}^4
                \&+8 kappa s^4 Gamma^2 costheta vn{mZ}^4
                \&-32 kappa vn{me}^2 s^3 Gamma^2 costheta vn{mZ}^4
                \&-8 kappa s^3 psi Gamma^2 costheta vn{mZ}^4
                \&+32 kappa vn{me}^2 s^2 psi Gamma^2 costheta vn{mZ}^4
                \&+32 kappa s^4 psi costheta vn{mZ}^4
                \&-128kappa vn{me}^2 s^3 psi costheta vn{mZ}^4
                \&+8 kappa s^6 costheta vn{mZ}^2
                \&-32 kappa vn{me}^2 s^5 costheta vn{mZ}^2
                \&-8 kappa s^5 psi costheta vn{mZ}^2
                \&+32 kappa vn{me}^2 s^4 psi costheta vn{mZ}^2
                \&-8 alambda s^3 psi phi costheta vn{mZ}^4
                \&+32alambda vn{me}^2 s^2 psi phi costheta vn{mZ}^4
                \&-8 alambda s^5 phi costheta vn{mZ}^2
                \&+32alambda vn{me}^2 s^4 psi costheta vn{mZ}^2
                \&+8 alambda s^4 psi phi costheta vn{mZ}^2
                \&-32alambda vn{me}^2 s^3 psi phi costheta vn{mZ}^2bigr]
                theta(s-4 vn{mpsi}^2)
                end{aligned}\
                shortintertext{and}
                w &=256 vn{cw}^2 vn{mZ}^4 pi^2 s^3 phi^3.
                end{align*}
                end{document}





                share|improve this answer


























                  2












                  2








                  2







                  There are a lot of repeated items in your equation. I suggest you do something like this, which eliminates all left and right sizing directives.



                  enter image description here



                  documentclass{article}
                  usepackage{mathtools}
                  newcommandvn[1]{mathrm{,#1}}
                  allowdisplaybreaks
                  begin{document}
                  noindent
                  Put
                  $psi=sqrt{smash[b]{s (-4 vn{me}^2+4 vn{mpsi}^2+s)}}$,
                  $phi=sqrt{smash[b]{vn{mZ}^4 +(Gamma^2-2 s) vn{mZ}^2+s^2}}$,
                  $kappa= vn{ca} vn{cw} vn{EE}^2, g vn{gpsi}$, and
                  $lambda=vn{ca} vn{cv}, g^2 vn{gpsi}^2$.
                  Then
                  begin{align*}
                  f_2 &=ucdot v/w, \
                  shortintertext{where}
                  u &= sqrt{frac{s-4 vn{mpsi}^2}{s-4 vn{me}^2}},,\
                  v &=begin{aligned}[t]bigl[
                  &16 kappa s^2 psi costheta vn{mZ}^8
                  \&-64 kappa vn{me}^2 s psi costheta vn{mZ}^8
                  \&+8 kappa s^4costheta vn{mZ}^6
                  \&-32 kappa vn{me}^2 s^3 costheta vn{mZ}^6
                  \&+16 kappa s^2 psi Gamma^2 costheta vn{mZ}^6
                  \&-64 kappa vn{me}^2 s psi Gamma^2 costheta vn{mZ}^6
                  \&-40 kappa s^3 psi costheta vn{mZ}^6
                  \&+160kappa vn{me}^2 s^2 psi costheta vn{mZ}^6
                  \&-16 kappa s^5 costheta vn{mZ}^4
                  \&+64 kappa vn{me}^2 s^4 costheta vn{mZ}^4
                  \&+8 kappa s^4 Gamma^2 costheta vn{mZ}^4
                  \&-32 kappa vn{me}^2 s^3 Gamma^2 costheta vn{mZ}^4
                  \&-8 kappa s^3 psi Gamma^2 costheta vn{mZ}^4
                  \&+32 kappa vn{me}^2 s^2 psi Gamma^2 costheta vn{mZ}^4
                  \&+32 kappa s^4 psi costheta vn{mZ}^4
                  \&-128kappa vn{me}^2 s^3 psi costheta vn{mZ}^4
                  \&+8 kappa s^6 costheta vn{mZ}^2
                  \&-32 kappa vn{me}^2 s^5 costheta vn{mZ}^2
                  \&-8 kappa s^5 psi costheta vn{mZ}^2
                  \&+32 kappa vn{me}^2 s^4 psi costheta vn{mZ}^2
                  \&-8 alambda s^3 psi phi costheta vn{mZ}^4
                  \&+32alambda vn{me}^2 s^2 psi phi costheta vn{mZ}^4
                  \&-8 alambda s^5 phi costheta vn{mZ}^2
                  \&+32alambda vn{me}^2 s^4 psi costheta vn{mZ}^2
                  \&+8 alambda s^4 psi phi costheta vn{mZ}^2
                  \&-32alambda vn{me}^2 s^3 psi phi costheta vn{mZ}^2bigr]
                  theta(s-4 vn{mpsi}^2)
                  end{aligned}\
                  shortintertext{and}
                  w &=256 vn{cw}^2 vn{mZ}^4 pi^2 s^3 phi^3.
                  end{align*}
                  end{document}





                  share|improve this answer













                  There are a lot of repeated items in your equation. I suggest you do something like this, which eliminates all left and right sizing directives.



                  enter image description here



                  documentclass{article}
                  usepackage{mathtools}
                  newcommandvn[1]{mathrm{,#1}}
                  allowdisplaybreaks
                  begin{document}
                  noindent
                  Put
                  $psi=sqrt{smash[b]{s (-4 vn{me}^2+4 vn{mpsi}^2+s)}}$,
                  $phi=sqrt{smash[b]{vn{mZ}^4 +(Gamma^2-2 s) vn{mZ}^2+s^2}}$,
                  $kappa= vn{ca} vn{cw} vn{EE}^2, g vn{gpsi}$, and
                  $lambda=vn{ca} vn{cv}, g^2 vn{gpsi}^2$.
                  Then
                  begin{align*}
                  f_2 &=ucdot v/w, \
                  shortintertext{where}
                  u &= sqrt{frac{s-4 vn{mpsi}^2}{s-4 vn{me}^2}},,\
                  v &=begin{aligned}[t]bigl[
                  &16 kappa s^2 psi costheta vn{mZ}^8
                  \&-64 kappa vn{me}^2 s psi costheta vn{mZ}^8
                  \&+8 kappa s^4costheta vn{mZ}^6
                  \&-32 kappa vn{me}^2 s^3 costheta vn{mZ}^6
                  \&+16 kappa s^2 psi Gamma^2 costheta vn{mZ}^6
                  \&-64 kappa vn{me}^2 s psi Gamma^2 costheta vn{mZ}^6
                  \&-40 kappa s^3 psi costheta vn{mZ}^6
                  \&+160kappa vn{me}^2 s^2 psi costheta vn{mZ}^6
                  \&-16 kappa s^5 costheta vn{mZ}^4
                  \&+64 kappa vn{me}^2 s^4 costheta vn{mZ}^4
                  \&+8 kappa s^4 Gamma^2 costheta vn{mZ}^4
                  \&-32 kappa vn{me}^2 s^3 Gamma^2 costheta vn{mZ}^4
                  \&-8 kappa s^3 psi Gamma^2 costheta vn{mZ}^4
                  \&+32 kappa vn{me}^2 s^2 psi Gamma^2 costheta vn{mZ}^4
                  \&+32 kappa s^4 psi costheta vn{mZ}^4
                  \&-128kappa vn{me}^2 s^3 psi costheta vn{mZ}^4
                  \&+8 kappa s^6 costheta vn{mZ}^2
                  \&-32 kappa vn{me}^2 s^5 costheta vn{mZ}^2
                  \&-8 kappa s^5 psi costheta vn{mZ}^2
                  \&+32 kappa vn{me}^2 s^4 psi costheta vn{mZ}^2
                  \&-8 alambda s^3 psi phi costheta vn{mZ}^4
                  \&+32alambda vn{me}^2 s^2 psi phi costheta vn{mZ}^4
                  \&-8 alambda s^5 phi costheta vn{mZ}^2
                  \&+32alambda vn{me}^2 s^4 psi costheta vn{mZ}^2
                  \&+8 alambda s^4 psi phi costheta vn{mZ}^2
                  \&-32alambda vn{me}^2 s^3 psi phi costheta vn{mZ}^2bigr]
                  theta(s-4 vn{mpsi}^2)
                  end{aligned}\
                  shortintertext{and}
                  w &=256 vn{cw}^2 vn{mZ}^4 pi^2 s^3 phi^3.
                  end{align*}
                  end{document}






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                  share|improve this answer










                  answered 53 mins ago









                  MicoMico

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