How to plot this figure?

This figure is used to show the matrix 300*3. I do not know how to plot this figure? can someone help me? Thanks.

 采纳的回答

hu
try this and adapt to your own needs
a = rand(300,3);
figure,imagesc(a);colormap('jet');colorbar

1 个评论

Thanks!!!
I find this function pcolor also can achieve similar figure.

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