Changing color of plotting points according to number

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Bar
Bar 2023-11-27
回答： Walter Roberson 2023-11-28
I'm plotting an error with respect to the number of points used.
Now there are three different ways to comput the error, and I always plot the maximal error.
If the maximum is for computation 1, I want the dot in the plot to be red, for computation 2 it should be blue, etc.
How can I achieve this? My data is in a n x 2 matrix

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回答（1 个）

Walter Roberson
Walter Roberson 2023-11-28
Create a small colormap
scatter(x, y, [], INDEX)
caxis([1, size(YourMap, 1)])
colormap(YourMap)

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