Hi, 

 

Suppose I have a 4 by 4 matrix as following:

 

10 6 3 1

 8 4 3 2

 6 2 4 3

 9 3 4 2

 

The x axis is the column index of the matrix, the y axis is the row index of the matrix and the z axis is the value in the corresponding position of the matrix. 

I tried to use contour and image. They are not the ones I want. 

 

You help is greatly appreciated. 

 

Peter

 

 

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