Plotting a mxn Matrix

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Haseeb Hashim
Haseeb Hashim on 10 Aug 2022
Commented: Haseeb Hashim on 10 Aug 2022
Hi ! Everyone. I wanted to ask a simple question here that If I have to plot a matrix containing m rows and n columns and say that it contains the temperature distribution of any shape. i wanted to as that which is the best method to display such type of distributions. I use imagesc mot of the time. Any better way to do that.
Separate Question
Also lets say that the shape is irregualar like U-shaped Conductor now I have made all the temperature code in the U shaped area with the reduntant square area in between. How to show this efficiently. Figure below
That how I got it

Accepted Answer

Walter Roberson
Walter Roberson on 10 Aug 2022
What you show is okay.
As you are using imagesc() you might want to pass in an 'AlphaData' option with a double precision matrix that is 0 inside the open area (no data) and 1 in the U (data). AlphaData 0 indicates that the area is to be transparent, showing through whatever is underneath (such as the background of the axes.)
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Haseeb Hashim
Haseeb Hashim on 10 Aug 2022
thanks a lot Mr. Roberson

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