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Randomly changing a value of a matrix

2 vues (au cours des 30 derniers jours)
Phillip Smith
Phillip Smith le 21 Nov 2019
Commenté : Phillip Smith le 21 Nov 2019
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

Réponse acceptée

the cyclist
the cyclist le 21 Nov 2019
Modifié(e) : the cyclist le 21 Nov 2019
M = zeros(5,5);
M(randi(25)) = 1;
This algorithm takes advantage of the power of linear indexing.

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