(双曲正弦) sh
HSin(X) = (Exp(X) - Exp(-X)) / 2
Hyperbolic Cosine
(双曲余弦) ch
HCos(X) = (Exp(X) + Exp(-X)) / 2
Hyperbolic Tangent
(双曲正切) th
HTan(X) = (Exp(X) - Exp(-X)) / (Exp(X) + Exp(-X))
Exp(X)表示e的x次方,Exp(-X)表示e的-x次方
e是自然对数的底
(双曲正弦) sh
HSin(X) = (Exp(X) - Exp(-X)) / 2
Hyperbolic Cosine
(双曲余弦) ch
HCos(X) = (Exp(X) + Exp(-X)) / 2
Hyperbolic Tangent
(双曲正切) th
HTan(X) = (Exp(X) - Exp(-X)) / (Exp(X) + Exp(-X))
Exp(X)表示e的x次方,Exp(-X)表示e的-x次方
e是自然对数的底