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updated 12 months ago

Fractional Matrix Powers with Frechet Derivatives and Condition Number Estimate by Lijing Lin

Computing matrix power A^p in complex/real arithmetic, with condition number and Frechet derivatives (mpower, matrix root, matrix power)

normAm(A,m)

powerm_pade_fre(A,p,E)

powerm_pade_fre_real(A,p,E)

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updated 5 years ago

The matrix exponential by Thomas Schmelzer

Computes exp(A)*b where A is real and symmetric (matrix, functions, vector)

cf_matrixexponential( A,b )

cf_matrixfunction(fct,A,b,n,varargin)

cf_realaxis(fct,n,varargin)

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updated 5 years ago

Carathéodory-Fejér approximation by Thomas Schmelzer

Compute the "best" rational approx. for the exponential on R_ (as Trefethen did). (matrix, functions, rational approximatio...)

DoubleExp(x)

cf_realaxis(fct,n,varargin)

cfshow_complex(fct,n,varargin)

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