39 lines
843 B
Mathematica
39 lines
843 B
Mathematica
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function Y=sum(X,I)
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%SUM (overloaded)
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try
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n = X.dim(1);
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m = X.dim(2);
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if nargin==1
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Y = X;
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if n==1 | m==1
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% Spezialized code...
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Y.basis = sum(Y.basis,1);
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Y.dim(1) = 1;
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Y.dim(2) = 1;
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temp = 1;
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else
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% Standard case
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temp = sum(reshape(X.basis(:,1),n,m));
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Y.basis = kron(speye(m),ones(1,n))*X.basis;
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end
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else
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Y = X;
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temp = sum(reshape(X.basis(:,1),n,m),I);
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Y.basis = temp(:);
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for i = 1:length(Y.lmi_variables)
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temp = sum(reshape(X.basis(:,i+1),n,m),I);
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Y.basis(:,i+1) = temp(:);
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end
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end
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catch
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error(lasterr)
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end
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Y.dim(1) = size(temp,1);
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Y.dim(2) = size(temp,2);
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% Reset info about conic terms
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Y.conicinfo = [0 0];
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Y = clean(Y);
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