Rev | Line | |
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[37] | 1 | function Z = minus(X,Y) |
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| 2 | % MINUS (overloaded) |
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| 3 | |
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| 4 | % Author Johan Löfberg |
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| 5 | % $Id: minus.m,v 1.2 2006/07/13 19:40:59 joloef Exp $ |
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| 6 | |
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| 7 | dim = []; |
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| 8 | if isa(X,'ndsdpvar') |
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| 9 | dim = X.dim; |
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| 10 | X = sdpvar(X); |
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| 11 | elseif isa(X,'double') |
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| 12 | X = X(:); |
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| 13 | end |
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| 14 | |
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| 15 | if isa(Y,'ndsdpvar') |
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| 16 | if isempty(dim) |
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| 17 | dim = Y.dim; |
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| 18 | else |
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| 19 | if isequal(dim,Y.dim) |
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| 20 | else |
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| 21 | error('Dimension mismatch in nD addition') |
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| 22 | end |
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| 23 | end |
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| 24 | Y = sdpvar(Y); |
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| 25 | elseif isa(Y,'double') |
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| 26 | Y = Y(:); |
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| 27 | end |
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| 28 | |
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| 29 | Z = X - Y; |
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| 30 | Z = reshape(Z,dim); |
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