MATLAB: Location of non zeros

Question

Hi there if I have a 100×1 matrix which has some zeros in it, how can i find the corresponding matrix of "locations" for all the cells which are non-zero.

Eg, 1, 3, 2, 0 , 2, 4, 1, 0 , 0

Output:

1, 2, 3, 5, 6, 7, ……

Answer 1

     >> A=[ 1, 3, 2, 0 , 2, 4, 1, 0 , 0];
     >> locations = find(A)
    locations =
         1     2     3     5     6     7