Heatmap with specified color ranges?

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I would like to generate a heat map for my data such that values =<3.00 are white, and values >3.00 up to the max (typically the max values can be from 10.00 to 30.00) are graded from white to red. For example, in Excel, the conditional formatting rule is:
How do I do the eqjuivalent for my matrix of data, using Matlab's heatmapping?


dpb 2020-7-1
Whether this does precisely what you're looking for or not, I dunno...but might be a starting point.
Nothing like that built in to any of the MATLAB colormap functionality.
  3 个评论
dpb 2020-7-1
Kewl. I never did follow the caxis stuff all that much...


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