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funm

PURPOSE ^

% funm: Matrix equivalent of function 'name'

SYNOPSIS ^

function B = funm(A, name)

DESCRIPTION ^

% funm:  Matrix equivalent of function 'name'
%
% Usage:    B = funm(A, name)
%  where    A = square non-singular matrix, provisionally
%               real-valued
%           B = square result matrix
%        name = string, name of function to apply to A.
%        args = any arguments to pass to function 'name'
%               The function must accept a vector and apply
%               element-wise to that vector.
%
% Example:  To compute sqrtm(A), you could use funm(A, 'sqrt')
%
% Note that you should not use funm for 'sqrt', 'log' or 'exp'; instead
% use sqrtm, logm and expm which are more robust. Similarly,
% trigonometric and hyperbolic functions (cos, sin, tan, cot, sec, csc,
% cosh, sinh, tanh, coth, sech, csch) are better handled by thfm(A,
% name), which defines them in terms of the more robust expm.

CROSS-REFERENCE INFORMATION ^

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