40 lines
989 B
Mathematica
40 lines
989 B
Mathematica
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function p = problemclass(self)
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% LP = 1;
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% QP = 2;
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% SOCP = 3;
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% SDP = 4;
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% MILP = 5;
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% MIQP = 6;
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%
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% possible = ones(1,6);
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%
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% if nnz(model.variabletype)>0
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% possible([LP QP SOCP SDP MILP MIQP
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%
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model = self.problemclass;
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combinatorial = (model.constraint.integer | model.constraint.binary | model.constraint.semicont | model.constraint.sos1 | model.constraint.sos2);
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p = 'Unclassified';
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if nnz(self.variabletype)==0
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% can be LP,QP,SDP,SOCP,MILP,MIQP
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if model.constraint.inequalities.semidefinite.linear
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p = 'SDP';
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elseif model.constraint.inequalities.secondordercone.linear | model.constraint.inequalities.rotatedsecondordercone.linear
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p = 'SOCP';
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else
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if model.objective.quadratic.convex == 1
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p = 'Convex QP';
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elseif model.objective.quadratic.nonconvex == 1
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p = 'Nonconvex QP';
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else
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p = 'LP';
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end
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end
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if combinatorial
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p = ['Mixed Integer ' p];
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end
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end
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