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how to select a number randomly from a series of fixed number

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Mudasir Ahmed 2015-6-14

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https://ww2.mathworks.cn/matlabcentral/answers/223732-how-to-select-a-number-randomly-from-a-series-of-fixed-number

评论： Mudasir Ahmed 2015-6-14

采纳的回答： Ken Atwell

hi

i have a series of numbers and i want to select one of them randomly . ie

a=[10 3 4 2 5]

ans: 3

and at every time this may change to new number among them. kindly help in this regard. i will b highly thankful to you

Regards

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Ken Atwell 2015-6-14

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https://ww2.mathworks.cn/matlabcentral/answers/223732-how-to-select-a-number-randomly-from-a-series-of-fixed-number#answer_182620

在 MATLAB Online 中打开

>> a(randi(numel(a)))

In other words, pick a random (integer) number N between 1 and the number of elements in "a", then return the Nth element of "a".

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Mudasir Ahmed 2015-6-14

thanks sir :)

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