19 lines
805 B
Mathematica
19 lines
805 B
Mathematica
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% *************************************************************************
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% Code for setting the numerical values of nonlinear terms
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% *************************************************************************
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function p = updateonenonlinearbound(p,changed_var)
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if ~isempty(p.bilinears)
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impactedVariables = find((p.bilinears(:,2) == changed_var) | (p.bilinears(:,3) == changed_var));
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x = p.bilinears(impactedVariables,2);
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y = p.bilinears(impactedVariables,3);
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z = p.bilinears(impactedVariables,1);
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x_lb = p.lb(x);
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x_ub = p.ub(x);
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y_lb = p.lb(y);
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y_ub = p.ub(y);
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bounds = [x_lb.*y_lb x_lb.*y_ub x_ub.*y_lb x_ub.*y_ub];
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p.lb(z) = max([p.lb(z) min(bounds,[],2)],[],2);
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p.ub(z) = min([p.ub(z) max(bounds,[],2)],[],2)';
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p.lb(impactedVariables(x==y)<0) = 0;
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end
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