1% Create diagonal sparse matrix.
2%
3% s = sparse_diag(d)
4%
5% Create diagonal sparse matrix s based on the diagonal elements d. The
6% parameter d is transformed into a vector.
7
8function s = sparse_diag(d)
9
10s = spdiags(d(:),0,numel(d),numel(d));
11
12% Copyright (C) 2009 Alexander Barth <a.barth@ulg.ac.be>
13%
14% This program is free software; you can redistribute it and/or modify
15% it under the terms of the GNU General Public License as published by
16% the Free Software Foundation; either version 2 of the License, or
17% (at your option) any later version.
18%
19% This program is distributed in the hope that it will be useful,
20% but WITHOUT ANY WARRANTY; without even the implied warranty of
21% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22% GNU General Public License for more details.
23%
24% You should have received a copy of the GNU General Public License
25% along with this program; If not, see <http://www.gnu.org/licenses/>.
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