Empty plot: I need to plot one variable vs Results of fmincon

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Devdatt Thengdi 2018-4-4

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https://ww2.mathworks.cn/matlabcentral/answers/392576-empty-plot-i-need-to-plot-one-variable-vs-results-of-fmincon

关闭： MATLAB Answer Bot 2021-8-20

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    clc
    d0 = 0.01:1;
    Xmat = zeros(numel(d0),5);
    for i=1:numel(d0)
      d0_actual = Ef(i);
      x0 = [0.08, 9.14, 10, 1, 0.1];
      options=optimset('fmincon');
    options.Display='iter';
    options.Algorithm='interior-point';
       fitnessfcn = @(x)Lobo(d0_actual, x(2), x(3), x(4), x(5));
      nonlcon1 = @(x)nonlcon(d0_actual, x(2), x(3), x(4), x(5));
      lb = [0.08, 9.14, 10, 1, 0.1];
      ub = [1, 18.3, 1300, 25, 1];
      [X, fval] = fmincon(fitnessfcn, x0, [], [], [], [], lb, ub, nonlcon1, options);
      Xmat(i,:) = X(:);
        X
      disp(X);
    end
    plot(d0(i), Xmat(i,1));

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Torsten 2018-4-4

If you write d0=0.01:1, the step size is automatically chosen to be 1. Since 0.01+1 = 1.01 > 1, lower limit + stepsize > upper limit. Thus d0 = 0.01 only.

Best wishes

Torsten.

Devdatt Thengdi 2018-4-4