11 lines
473 B
Mathematica
11 lines
473 B
Mathematica
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function [Model,Properties] = sumk_generator(X,k,t)
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[n,m] = size(X);
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Z = sdpvar(n,m);
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s = sdpvar(1,1);
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if min(n,m)==1
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Model = (t-k*s-sum(Z) >= 0) + (Z >= 0) + (Z-X+s >= 0);
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Properties = struct('convexity','convex','monotonicity','increasing','definiteness','none','model','graph');
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else
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Model = (t-k*s-trace(Z) >= 0) + (Z >= 0) + (Z-X+s*eye(n) >= 0);
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Properties = struct('convexity','convex','monotonicity','none','definiteness','none','model','graph');
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end
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