Rev | Line | |
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[37] | 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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