pcolor map in matlab

Question

In matlab, we can use pcolor to show the magnitude of data in color. I am trying the following data

 A=[1:10; 16:25; 86:95];
 pcolor(A);

It

Answer 1

From documentation of pcolor

In the default shading mode, 'faceted', each cell has a constant color and the last row and column of C are not used.

Use imagesc instead

imagesc(A);