Deleting duplicate values in matrix

1 次查看（过去 30 天）
kash
kash 2012-8-27
I have a dataset in which i have duplicate vaues(same values),i want to delete it as
S={
'' 'c1' 'c2' 'c3'
'p-a' 'pso' 'mpso' 'pso'
'p-a' 'pso' 'mpso' 'pso'
'p-a' 'pso' 'mpso' 'pso'
'k' 'spsp' 'pso' 'mpso'
'y-b' 'pso' 'pso' 'spso'
'y-b' 'pso' 'pso' 'spso'}
i need output as
out={
'p-a' 'pso' 'mpso' 'pso'
'k' 'spsp' 'pso' 'mpso'
'y-b' 'pso' 'pso' 'spso'}
please help

请先登录，再回答此问题。

采纳的回答

Oleg Komarov
Oleg Komarov 2012-8-27
[trash,idx] = unique(S(:,1),'stable');
S(idx,:)
Note that only the first column is considered to be the key.
  6 个评论
显示 4更早的评论
Andrei Bobrov
Andrei Bobrov 2012-8-27
[trash,idx] = unique(S(:,1),'first');
out = S(sort(idx),:);
kash
kash 2012-8-29
Thanks andrei and Jan by mistake i clicked Accepy the answer button

请先登录，再进行评论。

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 MATLAB 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