Help with plotting an information grid

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Sushmit
Sushmit 2014-4-14
回答： Andrew Newell 2014-4-14
I have a n x n matrix, all of whose elements are either 0,1,2,3 or 4. Now I want to represent this matrix in the form of a n x n grid such that each block(cell) of the grid is colored according to the corresponding element in the matrix(say 0- white, 1 -red, 2- blue and so on). How do I do this?

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Andrew Newell
Andrew Newell 2014-4-14
You should be able to do it with pcolor.

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