Random Number from a given vector of numbers

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Israa Ahmed 2021-8-26

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https://ww2.mathworks.cn/matlabcentral/answers/1441009-random-number-from-a-given-vector-of-numbers

评论： Arik Brown 2024-4-20

采纳的回答： Stephen23

Given a vector of certain allowed numbers,

how to generate another vector whose elements randomly take values from that vector of numbers?

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Stephen23 2021-8-26

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编辑：Stephen23 2021-8-26

在 MATLAB Online 中打开

V = [-1,23,99,111,1024];
N = 3;
A = V(randi(numel(V),1,N)) % with repetition
A = 1×3
         111         111        1024
B = V(randperm(numel(V),N)) % no repetition
B = 1×3
        1024         111          23

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Israa Ahmed 2021-8-26

Thank you very much, it worked well.

Arik Brown 2024-4-20

Thank you.

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MATLAB Mathematics Random Number Generation

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R2021a

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