Exclude some values from the heatmap

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Julia Moore 2020-7-13

回答： KSSV 2020-7-13

Hey guys!!!

I want to exclude the main diagonal values from the following heatmap, does anyone know how to take it?

ps. I especifically would like to let white the main diagonal, is it possible?

Thanks!!

Alan Stevens 2020-7-13

Have you tried setting those values to NaN?

KSSV 2020-7-13

Let M be your matrix of size n*n. To replace diagonal values with NaN:

M = rand(11) ; 
M(1:(n+1):end) = NaN ; 

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