How to sort a two column vector

5 次查看(过去 30 天)
I need to order this two column vector (attached) in such a way that the first column (x) is ordered ascending and the second column follows this order. In other words, it is very important to me that the values in the second column remain the same for each value of x.
Thanks in advance.
  4 个评论
Stephen23
Stephen23 2020-6-11
Original question by Jórdan Venâncio Leite on 2nd June 2020 retrieved from Google Cache (uploaded data could not be retrieved):
"How to sort a two column vector"
I need to order this two column vector (attached) in such a way that the first column (x) is ordered ascending and the second column follows this order. In other words, it is very important to me that the values in the second column remain the same for each value of x.
Thanks in advance.

请先登录,再进行评论。

回答(2 个)

dpb
dpb 2020-6-2

KSSV
KSSV 2020-6-2
Let A be your vector of two columns.
[val,idx] = sort(A(:,1)) ; % sort the first column
iwant = A(idx,:) % arrange A in ascending order of first column

类别

Help CenterFile Exchange 中查找有关 Shifting and Sorting 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!

Start Hunting!

Translated by