Info
此问题已关闭。 请重新打开它进行编辑或回答。
how to release indexes in an array
2 次查看(过去 30 天)
显示 更早的评论
I have the array
arr=[-9,6,-2,0,4,98,2,-5,0,-9,4,3,1,1,-5]
I have wrote this code and found out how many time each element is in the array and the places of the numbers.
how can I make the numbers that appear more than once un the array appear just one time
A=arr;
t=length(A);
A1=repmat(A,t,1);
A2=A';
c=(A1==A2);
r=sum(c);
e=find(r~=1);
disp(e)
0 个评论
回答(2 个)
Guillaume
2019-1-16
A much simpler way to obtain your r (and e):
[uvals, ~, id] = unique(arr);
r = accumarray(id, 1);
e = find(r > 1);
which also gives you the unique values and answers your how can I make the numbers that appear more than once un the array appear just one time
0 个评论
此问题已关闭。
另请参阅
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!