Mapping between two arrays wrt one column

1 次查看（过去 30 天）
SANGHAMITRA MISHRA
SANGHAMITRA MISHRA 2017-12-25
回答： Star Strider 2017-12-25
I have two matrices: A=[1 10; 2 20; 3 30] and B=[3 1 2]'
I want this to be my final answer A=[3 30;1 10;2 20] How do I do this?

请先登录，再回答此问题。

采纳的回答

Star Strider
Star Strider 2017-12-25
Use ‘B’ to define the rows of ‘A’:
A=[1 10; 2 20; 3 30];
B=[3 1 2]';
Anew = A(B,:)
Anew =
3 30
1 10
2 20

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Tables 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