43 lines
866 B
Matlab
Executable File
43 lines
866 B
Matlab
Executable File
function y = rdivide(X,Y)
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%RDIVIDE (overloaded)
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% Check dimensions
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[nx,mx] = size(X);
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[ny,my] = size(Y);
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if ~((prod(size(X))==1) | (prod(size(Y))==1))
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if ~((nx==ny & (mx ==my)))
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error('Matrix dimensions must agree.')
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end
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end
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% Quick exit for simple case X/scalar
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if isnumeric(Y) & prod(size(Y))==1
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y = X;
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y.basis = y.basis/Y;
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% Reset info about conic terms
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y.conicinfo = [0 0];
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return
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end
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if isa(X,'sdpvar') & isnumeric(Y)
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y = X.*(1./Y);
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return
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end
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% normalize scalar./matrix and matrix./scalar
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[nx,mx] = size(X);
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[ny,my] = size(Y);
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if prod(size(X)) == 1 & prod(size(Y))~=1
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X = repmat(X,ny,my);
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end;
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if prod(size(Y)) == 1 & prod(size(X))~=1
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Y = repmat(Y,nx,mx);
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end
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% power is optimized already for simple cases
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y = X.*(Y.^(-1));
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% Reset info about conic terms
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if isa(y,'sdpvar')
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y.conicinfo = [0 0];
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end |