1function [L,U,prow,pcol] = mexsuperlu(A,psparse); 2% MEXSUPERLU : Supernodal LU factorization 3% 4% MEXSUPERLU is the mex-file version of the supernodal factorization. 5% The user will normally call SUPERLU, which calls MEXSUPERLU. 6% See SUPERLU for a description of parameters. 7 8% Above is the text for HELP MEXSUPERLU; the following will be executed 9% only if the mex-file appropriate for the machine can't be found. 10 11disp('Warning: Executable mexsuperlu.mex not found for this architecture.'); 12disp('The supernodal LU package seems not to be installed for Matlab.'); 13n = max(size(A)); 14L = sparse(n,n); 15U = sparse(n,n); 16prow = 1:n; 17pcol = 1:n; 18