pcolor or setting the colors in a colour map

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Arundhatee Talukdar 2011-11-19

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https://ww2.mathworks.cn/matlabcentral/answers/21689-pcolor-or-setting-the-colors-in-a-colour-map

Hi all, I am using a pcolor for plotting some values. and using Jet colormap. For Jet, it gives me red for high values and blue for low values. I want the opposite, red for low values and blue for high values, how can we do that or does Matlab have any other colormap for that?

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Image Analyst 2011-11-19

Why are you using pcolor instead of one of the display functions that displays one pixel for every element in your array, and that has a color that is representative of the array value? pcolor() does neither of those.

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