1function A = cs_frand (n,nel,s) %#ok 2%CS_FRAND generate a random finite-element matrix 3% A = cs_frand (n,nel,s) creates an n-by-n sparse matrix consisting of nel 4% finite elements, each of which are of size s-by-s with random symmetric 5% nonzero pattern, plus the identity matrix. 6% 7% Example 8% A = cs_frand (100, 100, 3) ; 9% See also cs_demo. 10 11% Copyright 2006-2012, Timothy A. Davis, http://www.suitesparse.com 12 13error ('cs_frand mexFunction not found') ; 14 15