Description
The components of t are the inverse hyperbolic
cosine of the corresponding entries of x.
Definition domain is 
].
hyperbolic cosine inverse
[t] = acosh(x)
a real or complex vector or matrix.
a real or complex vector or matrix.
The components of t are the inverse hyperbolic
cosine of the corresponding entries of x.
Definition domain is ].
x=[0,1,%i]; cosh(acosh(x)) |  |  |