Probability in random numbers!

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Mina Mansour
Mina Mansour 2019-8-5
编辑： Adam Danz 2019-8-7
How to create a random 2D array that each cell has different probabilities to be either 0 or 1 for example? In other words, how to t create a 2D array with each cell having a probability of 0.1 to be 1's and 0.9 probability to be 0's.

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回答（2 个）

Walter Roberson
Walter Roberson 2019-8-5
rand(m, n) <= 0.1
would be true (1) with probability 0.1
Adam Danz
Adam Danz 2019-8-5
编辑：Adam Danz 2019-8-7
Use randsrc()
randsrc(5,4,[[0,1];[.9,.1]])
% 5 x 4 array
% .9 prob. of 0
% .1 prob of 1
*Requires communications toolbox
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Mina Mansour
Mina Mansour 2019-8-6
It keeps on telling me I need a communications toolbox.
Adam Danz
Adam Danz 2019-8-6
Use Walter Roberson's answer if you don't have communications toolbox.

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