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How to change color bar for images function?

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NeoBeaver
NeoBeaver 2016-8-19
评论： NeoBeaver 2016-8-20
Dear all:
Any one could help me with this problem:
I used the following piece of code to generate a heat map for a matrix:
clf
imagesc(full_B);
colorbar;
The color bar default look like this:
I am thinking about changing the color bar into something like rainbow.
How should I be doing it?
Thanks! Ruming

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采纳的回答

Image Analyst
Image Analyst 2016-8-19
Try this
imagesc(full_B);
colorbar;
colormap(jet(256));
or even better:
imshow(full_B, []);
colorbar;
colormap(jet(256));

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