9 lines
406 B
Mathematica
9 lines
406 B
Mathematica
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function [Ax,Ay,b] = convexhullFromSampled(z,fz,xL,xU);
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k1 = max((fz(2:end)-fz(1))./(z(2:end)-xL))+1e-12;
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k2 = min((fz(2:end)-fz(1))./(z(2:end)-xL))-1e-12;
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k3 = min((fz(1:end-1)-fz(end))./(z(1:end-1)-xU))+1e-12;
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k4 = max((fz(1:end-1)-fz(end))./(z(1:end-1)-xU))-1e-12;
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Ax = [-k1;k2;-k3;k4];
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Ay = [1;-1;1;-1];
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b = [k1*(-z(1)) + fz(1);-(k2*(-z(1)) + fz(1));k3*(-z(end)) + fz(end);-(k4*(-z(end)) + fz(end))];
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