A = A(50:99,50:99) in matlab

what is the meaning of this code

[per isakson]

Try

>> A = magic(6)
A =
    35     1     6    26    19    24
     3    32     7    21    23    25
    31     9     2    22    27    20
     8    28    33    17    10    15
    30     5    34    12    14    16
     4    36    29    13    18    11
>> A(2:4,2:4)
ans =
    32     7    21
     9     2    22
    28    33    17

Answer 1

[M]

Did you read this ?

How is the matrix A defined before this line ?