insert zero in chosen column of matrix randomly

1 view (last 30 days)
I have
A=[
1 2 1 4
3 4 1 4
4 5 1 5
5 7 1 6
7 9 1 9];
I want to put zero for only one entery in column 3 randomly.
result shoud be
A=[
1 2 0 4
3 4 1 4
4 5 1 5
5 7 1 6
7 9 1 9];
or
A=[
1 2 1 4
3 4 1 4
4 5 0 5
5 7 1 6
7 9 1 9];
or
A=[
1 2 1 4
3 4 1 4
4 5 1 5
5 7 1 6
7 9 0 9];

Accepted Answer

madhan ravi
madhan ravi on 19 Sep 2019
Edited: madhan ravi on 19 Sep 2019
ix = 1:2:size(A,1);
A(ix(randi(numel(ix),1)),3)=0

More Answers (0)

Categories

Find more on Multidimensional Arrays in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!