how to find the positions of a value or less than that value from a matrix????

i have a matrix

A=[1 2 1 0 2
   1 0 2 1 1
   2 1 3 0 -1]

from each row i want to find all positions of 1 and all less than 1.

please please help me. I am badly stuck.

Thank you in advance

suchi

Answer 1

[Andrei Bobrov]

[ii,jj] = find(A<=1)