I am using the free version of the Wolfram Alpha Mode Notebook. In it I have an 11 x 11 matrix and I would like to shade a sub-matrix, 4 x 4 sub-matrix, within the 11 x 11 matrix.
Could you please point me to an example or some documentation that illustrates how this is done.
Thanks.
Thanks Rohit ... it worked great.
You could try applying a Style to the elements
Style
SeedRandom[123]; r = RandomInteger[{1, 8}, {11, 11}]; MapAt[Style[#, Red, 16] &, r, {4 ;; 7, 6 ;; 9}] // MatrixForm
Thanks Seth.
If you are willing to wrap your matrix in Grid, you can do something like this:
Grid[RandomInteger[{1, 8}, {11, 11}], Background -> {None, None, {{{4, 7}, {6, 9}} -> LightRed}}]