How to add a colorbar in a heatmap?

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Julia Moore 2020-6-2

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https://ww2.mathworks.cn/matlabcentral/answers/540935-how-to-add-a-colorbar-in-a-heatmap

评论： darova 2020-6-13

Hey guys!

I am trying to do a heatmap, using a the heatmap function. But I am not being capable of adding a colorbar. Does anyone know if it is possible using the MATLAB version 2016a?

Also my current heatmap is like this, I would like to invert the beggining of the rows position. Is it possible that the row number 1 start on the first line not in the last one? And how could I eliminate the elements above the main diagonal?

Thnkss

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Julia Moore 2020-6-3

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Yeah it didn't worked, due to the version I guess. But I was trying to do it in a different way, like this:

figure; 
imagesc(RPEARSONIDHma,[-1 1])
colorbar 
set(gca,'YTick', [1:11],'YTickLabel',{'1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11'})
set(gca,'XTick', [1:11],'XTickLabel',{'1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11'})
set(gcf,'Colormap',autumn)