annotate util/SL_A.m @ 72:dd969a5f9447
added temp versions of rlsdla
author |
idamnjanovic |
date |
Wed, 16 Mar 2011 16:39:10 +0000 |
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fc395272d53e |
children |
8e660fd14774 |
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1 function y = SL_A(A, mode, m, n, x, I, dim)
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2 %%% Sparco to SparseLab implicit matix conversion
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3 % Centre for Digital Music, Queen Mary, University of London.
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4 % This file copyright 2009 Ivan Damnjanovic.
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5 %
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6 % This program is free software; you can redistribute it and/or
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7 % modify it under the terms of the GNU General Public License as
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8 % published by the Free Software Foundation; either version 2 of the
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9 % License, or (at your option) any later version. See the file
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10 % COPYING included with this distribution for more information.
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11 %
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12 % This is auxilary function to allow implicit matrices from SPARCO
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13 % to be used with SparsLab solvers
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14
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15 if (mode == 1)
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16
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17 u = zeros(dim, 1);
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18 u(I) = x;
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19 y = A(u,1);
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20
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21 elseif (mode == 2)
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22
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23 x2 = A(x,2);
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24 y = x2(I);
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25
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26 end
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27
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28 end |