/usr/lib/petscdir/3.7.5/x86_64-linux-gnu-real-debug/share/petsc/matlab/UFgetPetscMat.m is in libpetsc3.7.5-dbg 3.7.5+dfsg1-4+b1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | % UFgetPetscMat.m
% modified from UFget_example.m
% This script
% (1) gets the selected index file of the UF sparse matrix collection,
% (2) loads in matrices in matlab format in increasing order of
% number of rows in the selected matrices,
% (3) writes into PETSc binary format in the given directory with
% each matrix named as A_{id}
%
% See also UFget_example.m
% Copyright 2009, PETSc Team.
index = UFget;
% sets selection here
f = find (index.nrows == index.ncols & index.nrows > 940000 & index.isReal) ;
[y, j] = sort (index.nrows (f)) ;
f = f (j) ;
for i = f
%loads in matrix in matlab format
%---------------------------------
fprintf ('Loading %s%s%s, please wait ...\n', ...
index.Group {i}, filesep, index.Name {i}) ;
Problem = UFget (i,index) ;
disp (Problem) ;
title (sprintf ('%s:%s', Problem.name, Problem.title')) ;
% convets to PETSc binary format and writes into ~mat/A_{id}
%-----------------------------------------------------------
fname = ['mat/A',num2str(i)];
fprintf ('write matrix into petsc binary file %s ...\n',fname);
PetscBinaryWrite(fname,Problem.A);
%input ('hit enter to continue:') ;
end
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