How to permute the columns in a matrix in random way?

4 次查看（过去 30 天）
kortas manel
kortas manel 2016-12-6
评论： ghali ahmed 2017-12-25
Hi, How to permute the columns in a matrix in randomly without changing its size ??

请先登录，再回答此问题。

采纳的回答

KSSV
KSSV 2016-12-6
k = rand(100) ;
ny =size(k,2) ;
shuffle = randsample(1:ny,ny) ;
k_shuffle = k(:,shuffle) ;

更多回答（1 个）

Daniel Morais
Daniel Morais 2017-3-21
Utilize x = x( : , randperm(c)), onde x é a matriz e c o número de colunas de x. O mesmo vale para a permutação de linhas: x = x( randperm(l) , : ) onde l é o número de linhas.

类别

在 Help Center 和 File Exchange 中查找有关 General Applications 的更多信息

标签

Community Treasure Hunt

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

Start Hunting!

Translated by