Rev | Line | |
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[37] | 1 | function Y=sum(X,I) |
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| 2 | %SUM (overloaded) |
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| 3 | |
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| 4 | % Author Johan Löfberg |
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| 5 | % $Id: sum.m,v 1.7 2006/07/26 20:17:58 joloef Exp $ |
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| 6 | |
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| 7 | try |
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| 8 | n = X.dim(1); |
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| 9 | m = X.dim(2); |
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| 10 | if nargin==1 |
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| 11 | Y = X; |
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| 12 | if n==1 | m==1 |
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| 13 | % Spezialized code... |
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| 14 | Y.basis = sum(Y.basis,1); |
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| 15 | Y.dim(1) = 1; |
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| 16 | Y.dim(2) = 1; |
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| 17 | temp = 1; |
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| 18 | else |
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| 19 | % Standard case |
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| 20 | |
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| 21 | temp = sum(reshape(X.basis(:,1),n,m)); |
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| 22 | Y.basis = kron(speye(m),ones(1,n))*X.basis; |
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| 23 | |
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| 24 | end |
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| 25 | else |
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| 26 | Y = X; |
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| 27 | temp = sum(reshape(X.basis(:,1),n,m),I); |
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| 28 | Y.basis = temp(:); |
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| 29 | for i = 1:length(Y.lmi_variables) |
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| 30 | temp = sum(reshape(X.basis(:,i+1),n,m),I); |
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| 31 | Y.basis(:,i+1) = temp(:); |
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| 32 | end |
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| 33 | end |
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| 34 | catch |
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| 35 | error(lasterr) |
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| 36 | end |
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| 37 | Y.dim(1) = size(temp,1); |
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| 38 | Y.dim(2) = size(temp,2); |
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| 39 | % Reset info about conic terms |
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| 40 | Y.conicinfo = [0 0]; |
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| 41 | Y = clean(Y); |
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