Problem with the size of randperm(n)

i should run a data of a matrix of [1055x98] involving the rn=randperm(n) however, it can't be as it says:

Attempted to access rn(1056,1);index out of bounds because size(rn)=[1055,1]

do i have problem with the size of rn? if it is, how to set a new one ?

[Walter Roberson]

Please show your code.

[Azzi Abdelmalek]

Post your code

Answer 1

[Stalin Samuel]

set iteration as 1:max(size(rn))