How to save value of find function?
1 view (last 30 days)
Show older comments
Dear all, How to save the value of x vector in de vector based on find function?
expected results is : de = [1 4 7 3 10 6 90 1.1 80];
x=[ 1 4 7 3 10 6 0 90 1.1 80]; for i=1:10 de = find(x > 0); end
Many thanks...
0 Comments
Accepted Answer
Stephen23
on 3 Aug 2018
Edited: Stephen23
on 3 Aug 2018
Your loop is superfluous, get rid of it. Simpler with logical indexing:
>> x = [1,4,7,3,10,6,0,90,1.1,80];
>> de = x(x>0)
de =
1 4 7 3 10 6 90 1.1 80
6 Comments
Stephen23
on 3 Aug 2018
Edited: Stephen23
on 3 Aug 2018
"expected results is: [ 0 0 0 4 0 0 7 8 0 10];"
>> x = [1,4,7,3,10,6,0,90,1.1,80];
>> (1:numel(x)) .* (x<=0)
ans =
0 0 0 4 0 0 7 8 0 10
If your professor insists that you use a pointless find, then something like this perhaps:
>> idx = find(x<=0);
>> vec = zeros(size(x));
>> vec(idx) = idx
vec =
0 0 0 4 0 0 7 8 0 10
More Answers (0)
See Also
Categories
Find more on Logical in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!