Scilab 6.1.0
Scilab Help >> Elementary Functions > Trigonometry > Matrix-wise processing > coshm
coshm
matrix hyperbolic cosine
Syntax
t = coshm(x)
Arguments
- x, t
real or complex square matrices.
Description
coshm
is the matrix hyperbolic cosine of the matrix x
.
t=(expm(x)+expm(-x))/2
. Result may be inaccurate for
nonsymmetric matrix.
Examples
A=[1,2;2,4] acoshm(coshm(A))
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