Color individual data points

Question

Claire Andreasen 2020-8-16

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链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/580296-color-individual-data-points

评论： Claire Andreasen 2020-8-17

I have this plot

plot(strain,Ystress,'LineWidth',2, "MarkerSize",5, "MarkerFaceColor",[0 0.4470 0.7410], "MarkerEdgeColor",[0 0.4470 0.7410] );

it plots all my data points (29 of them) blue

There is one data point (say strain(4), Ysress(4)) I want to be red and another data point (say strain(10), Ysress(10)) I want to be green how would I do this?

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Answer 1

Image Analyst 2020-8-16

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/580296-color-individual-data-points#answer_480639

在 MATLAB Online 中打开

One way is to just stamp a new marker right on top of the existing one:

plot(strain,Ystress,'LineWidth',2, "MarkerSize",5, "MarkerFaceColor",[0 0.4470 0.7410], "MarkerEdgeColor",[0 0.4470 0.7410] );
hold on;
plot(strain(4),Ystress(4), 'r.', "MarkerSize", 25); % Big red dot.
plot(strain(10),Ystress(10), 'g.', "MarkerSize", 25); % Big green dot.
hold off;