/usr/share/freemat/toolbox/matrix/expm.m is in freemat-data 4.0-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | % EXPM EXPM Matrix Exponential
%
% Usage
%
% Calculates e^A for a square, full rank matrix A. The
% syntax for its use is
%
% y = expm(A)
%
% Internally, expm is mapped to a simple e^A expression (which
% in turn uses the eigenvalue expansion of A to compute the
% exponential).
% Copyright (c) 2002-2007 Samit Basu
% Licensed under the GPL
function y = expm(A)
y = e^A;
|