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Please note that the recommended version of Scilab is 6.1.1. This page might be outdated.
See the recommended documentation of this function

Scilab help >> Elementary Functions > Trigonometry > coshm


matrix hyperbolic cosine

Calling Sequence

t = coshm(x)


x, t

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.



See Also

  • cosh — hyperbolic cosine
  • expm — square matrix exponential
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Last updated:
Tue Apr 02 17:36:21 CEST 2013