Elements in a matrix
显示 更早的评论
Hello,
When I have a certain matrix, is there a possibility to check whether some value is on more than one position in the matrix.
So for example the identity matrix 3-by-3, how can I check whether the value '1' is multiple times there in the matrix?
Thanks in advance.
采纳的回答
Azzi Abdelmalek
2014-1-4
Idx=find(A==1)
更多回答（2 个）
Walter Roberson
2014-1-4
sum(TheMatrix(:) == TheValue) > 1
In the more general case where you want to know whether any value is repeated, see unique()
类别
在 帮助中心 和 File Exchange 中查找有关 Operators and Elementary Operations 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 
