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1 | function Y=sparse(varargin) |
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2 | %SPARSE (overloaded) |
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3 | |
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4 | % Author Johan Löfberg |
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5 | % $Id: sparse.m,v 1.1 2006/08/10 18:00:22 joloef Exp $ |
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6 | |
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7 | if nargin < 3 |
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8 | error('At-least 3 arguments needed'); |
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9 | end |
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10 | |
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11 | data = varargin{3}; |
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12 | ns = varargin{1}; |
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13 | ms = varargin{2}; |
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14 | |
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15 | if length(ns)~=length(ms) | length(ms)~=length(data) |
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16 | error('Length of first 3 arguments must be equal'); |
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17 | end |
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18 | |
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19 | if min(size(data))>1 |
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20 | error('Third argument should be a vector'); |
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21 | end |
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22 | |
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23 | if nargin < 4 |
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24 | n = max(ns); |
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25 | else |
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26 | n = varargin{4}; |
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27 | end |
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28 | if nargin < 5 |
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29 | m = max(ms); |
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30 | else |
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31 | m = varargin{5}; |
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32 | end |
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33 | |
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34 | if any(ms>m) |
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35 | error('Dimension mismatch') |
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36 | end |
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37 | |
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38 | if any(ns>n) |
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39 | error('Dimension mismatch') |
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40 | end |
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41 | |
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42 | Y = data; |
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43 | Y.dim(1) = n; |
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44 | Y.dim(2) = m; |
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45 | [i1,j1,s1] = find(data.basis); |
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46 | ind = ns+(ms-1)*n; |
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47 | Y.basis = sparse(ind(i1),j1,s1,n*m,1+length(Y.lmi_variables)); |
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48 | % Reset info about conic terms |
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49 | Y.conicinfo = [0 0]; |
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