Rev | Line | |
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[37] | 1 | function [p,x_min,upper] = initializesolution(p); |
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| 2 | |
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| 3 | x_min = zeros(length(p.c),1); |
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| 4 | upper = inf; |
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| 5 | if p.options.usex0 |
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| 6 | x = p.x0; |
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| 7 | z = evaluate_nonlinear(p,x); |
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| 8 | residual = constraint_residuals(p,z); |
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| 9 | relaxed_feasible = all(residual(1:p.K.f)>=-p.options.bmibnb.eqtol) & all(residual(1+p.K.f:end)>=p.options.bmibnb.pdtol); |
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| 10 | if relaxed_feasible |
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| 11 | upper = p.f+p.c'*z+z'*p.Q*z; |
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| 12 | x_min = x; |
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| 13 | end |
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| 14 | else |
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| 15 | p.x0 = zeros(length(p.c),1); |
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| 16 | x = p.x0; |
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| 17 | z = evaluate_nonlinear(p,x); |
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| 18 | residual = constraint_residuals(p,z); |
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| 19 | relaxed_feasible = all(residual(1:p.K.f)>=-p.options.bmibnb.eqtol) & all(residual(1+p.K.f:end)>=p.options.bmibnb.pdtol); |
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| 20 | if relaxed_feasible |
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| 21 | upper = p.f+p.c'*z+z'*p.Q*z; |
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| 22 | x_min = x; |
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| 23 | end |
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| 24 | end |
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| 25 | |
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