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.TH coshm 1 "April 1993" "Scilab Group" "Scilab Function"
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coshm - matrix hyperbolic cosine
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: real or complex square matrix
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coshm is the matrix hyperbolic cosine of the matrix x.
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\fVt=(expm(x)+expm(-x))/2\fR. Result may be inaccurate for nonsymmetric