Randomly changing a value of a matrix

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Phillip Smith
Phillip Smith 2019-11-21
评论： Phillip Smith 2019-11-21
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

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the cyclist
the cyclist 2019-11-21
编辑：the cyclist 2019-11-21
M = zeros(5,5);
M(randi(25)) = 1;
This algorithm takes advantage of the power of linear indexing.

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