9 lines
218 B
Mathematica
9 lines
218 B
Mathematica
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function Constraint = dd(X)
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if issymmetric(X)
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W = X-diag(diag(X));
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Z = sdpvar(length(X));
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Constraint = [-Z(:) <= W(:) <= Z(:), diag(X) >= sum(Z,2)];
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else
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error('dd requires a symmetric argument.');
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end
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