?? gee_its_simple_check.m
字號:
function gee_its_simple_check (A, name, b)%GEE_ITS_SIMPLE_CHECK private function to check input arguments% Ensures the matrix A is square, and that the right-hand-side b has the same% number of rows as A (if present). All matrices must be 2D, as well.%% Example:% gee_its_simple_check (A, 'A', b)%% See also: gee_its_simple% Copyright 2007, Timothy A. Davis.% http://www.cise.ufl.edu/research/sparse[m n] = size (A) ;if (m ~= n) error ('%s must be square', name) ;endif (ndims (A) ~= 2) error ('%s must be a 2D matrix', name) ;endif (nargin > 2) if (m ~= size (b,1)) error ('%s and b must have the same number of rows', name) ; end if (ndims (b) ~= 2) error ('b must be a 2D matrix') ; endend
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