How to ensure that the value in my mxn matrix does not exceed certain value?

How to ensure that the value in my mxn matrix does not exceed certain value?

Let say I have a 5x5 matrix, I wish to check the one in middle whether it exceed certain value....

If the value exceed then I will loop back to another condition.

Answer 1

[KSSV]

for i = 1:2
  for j = 1:2
    A(i,j) = input("enter value:") ; 
    while A(i,j) > 2
      A(i,j) = input("enter value, less than 2:") ;   
    end
  end
end