How can i find an eleiment which comes only one in a matrix ?????

1 次查看(过去 30 天)
Example
A=[1 2;1 3;1 4;1 5;2 4]
Ans should be [3 5]

采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2016-6-22
编辑:Azzi Abdelmalek 2016-6-22
A=[1 2;1 3;1 4;1 5;2 4]
[ii,jj,kk]=unique(A)
b=accumarray(kk,(1:numel(kk))',[],@numel)
out=ii(b==1)

更多回答(1 个)

Jos (10584)
Jos (10584) 2016-6-24
When A only contains positive integers:
A = [1 2 3 1 2 4 1 2 4 5]
B = find(sparse(A(:),1,1)==1)

类别

Help CenterFile Exchange 中查找有关 Creating and Concatenating Matrices 的更多信息

Community Treasure Hunt

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

Start Hunting!

Translated by