Randomly changing a value of a matrix

Hello,

I've made a 5x5 matrix of zeros,

I want to randomly change one of the elements to a 1

How would i go about this?

Many thanks

Answer 1

[the cyclist]

M = zeros(5,5);
M(randi(25)) = 1;

This algorithm takes advantage of the power of linear indexing.

[Phillip Smith]

Thank you!