35 lines
685 B
Mathematica
35 lines
685 B
Mathematica
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function F = lowrank(F,x)
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% LOWRANK is used to declare that a semidefinite constraint uses data with low rank.
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% Used in combination with the solver SDPLR
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identifiers = [];
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F = flatten(F);
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for i = 1:length(F.LMIid)
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switch F.clauses{i}.type
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case 1
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identifiers = [identifiers F.LMIid(i)];
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otherwise
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end
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end
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if isempty(identifiers)
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F = ([]);
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return
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end
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if nargin>1
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variables = getvariables(x);
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else
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variables = [];
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end
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lrData.id = identifiers;
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lrData.variables = variables;
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%F.clauses = {{F.clauses{1}}};
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F.clauses{1}.data = lrData;
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F.clauses{1}.type = 14;
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F.LMIid = -1;
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F.clauses{1}.strict = 0;
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F.clauses{1}.cut = 0;
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