Plot graphic with 3 variables

Question

Happy Bear 2020-3-16

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/511159-plot-graphic-with-3-variables

评论： Ameer Hamza 2020-3-17

Hello everyone,

I want to plot a graphic with my data that is grouped by categories: level (0.03, 0.05 or 0.08) and 1/0 (category 1 or 0).

I want to plot time as a function of level (3 levels), split by category 1 and category 0, as shown in the drawing that i sketched.

How can I do it in matlab?

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Answer 1

Ameer Hamza 2020-3-16

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/511159-plot-graphic-with-3-variables#answer_420399

编辑：Ameer Hamza 2020-3-16

在 MATLAB Online 中打开

Following code shows the example to extract data and plot in on the axes

A = [1 0.03 0.51;
     1 0.05 0.42;
     1 0.08 0.45;
     0 0.03 0.57;
     0 0.05 0.47;
     0 0.08 0.60];
split_matrix = splitapply(@(x) {x}, A(:,2:3), A(:,1)+1);
ax = axes();
hold(ax);
for i=1:numel(split_matrix)
    plot(ax, split_matrix{i}(:,1), split_matrix{i}(:,2), '.-', 'MarkerSize', 50, 'LineWidth', 2)
end
xlabel('Level');
ylabel('Time (s)');
xlim([0.03 0.08])
ylim([0.2 0.6]);