试用软件

Select random numbers form matrix

1 次查看（过去 30 天）

显示更早的评论

k khaja 2021-3-25

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/783198-select-random-numbers-form-matrix

评论： k khaja 2021-3-29

采纳的回答： Matt J

Can anyone help me, how can I choose 4 elelemts randomly from below matrix with and without repetaion.

P = ['a', 'b', 'c', 'd', '1', '2', '3', '4,']

Thanks in advance

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

采纳的回答

Matt J 2021-3-25

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/783198-select-random-numbers-form-matrix#answer_657918

With repetition: Use randi()

Without repetition: Use randperm()

3 个评论
显示 1更早的评论隐藏 1更早的评论

Matt J 2021-3-25

You're welcome, but please Accept-click the answer to indicate that your problem is resolved.

k khaja 2021-3-29

Thanks a lot Matt, it works.

请先登录，再进行评论。

更多回答（0 个）

请先登录，再回答此问题。

类别

MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices

在 Help Center 和 File Exchange 中查找有关 Creating and Concatenating Matrices 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by

试用软件