MATLAB: How can i creat an sub array with last n number of column of an array

subarray

s =
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
a =
3 4 5
8 9 10
13 14 15
i am not getting 'a' using the code
A=s(1:n;end-n-1:end).

Best Answer

By indexing you can achieve it :
   s=  [1     2     3     4     5
        6     7     8     9    10
       11    12    13    14    15];
   n = 3 ;  % last n number of columns
   a = s(:,n:end)
Gives:
a =
     3     4     5
     8     9    10
    13    14    15
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