matrix hyperbolic cosine
t = coshm(x)
real or complex square matrices.
coshm
is the matrix hyperbolic cosine of the matrix x
.
t=(expm(x)+expm(-x))/2
. Result may be inaccurate for
nonsymmetric matrix.
A=[1,2;2,4] acoshm(coshm(A)) | ![]() | ![]() |