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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:
Mon Oct 01 17:34:42 CEST 2012