How can I plot a square matrix ?

Hello,

I've got a square nxn matrix called A.

I would like the plot to show a nxn grid whose cell (i,j) has a color given by A(i,j) (like contourf but with a grid).

How can that be achieved?

Many thanks in advance for your answer.

[Akira Agata]

It seems that imagesc will do it.

Answer 1

[KSSV]

YOu have multiple functions for this: Read about pcolor , surf and imagesc.