How to store n iterations of randomly generated matrices

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N/A 2022-7-29
回答： Torsten 2022-7-29
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Below is an algorithm that computes randomly generated matrices (of size 3x3). The values of the main diagonal are generated randomly, while the non-diagonal values are zero (as intentionally set). My goal is to store n randomly generated matrices in an array so that I may later plot them . How can I achieve this? The code as I have set-up gives me all zero matrices except the last iteration.
n = 10 ;
bounds = [1 100] ; %interval over which the random number generator will produce values
for i = 1:n
randA = diag(diag(randi(bounds, 3,3)))
randA_all(:,:,n) = randA
end

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回答（1 个）

Torsten
Torsten 2022-7-29
n = 10 ;
bounds = [1 100] ; %interval over which the random number generator will produce values
randA = zeros(3,3);
randA_all = zeros(3,3,n);
for i = 1:n
randA = diag(diag(randi(bounds, 3,3)));
randA_all(:,:,i) = randA;
end

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