argmin of a vector
204 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
etcann
am 17 Feb. 2012
Beantwortet: Heather Jones
am 5 Aug. 2018
Hello,
How can I pick up the argmin of a vector? I.e. In a vector such as a=[2 3 1 4 5], I want to pick up 1 by min(a) and also want to have 3 that is the Nth element of this vector with the minimum 1. I tried to use find(a=min(a)) but the find operator is not working with equality.
Thanks
0 Kommentare
Akzeptierte Antwort
James Tursa
am 17 Feb. 2012
From the documentation for the min function:
[C,I] = min(...) finds the indices of the minimum values of A, and returns them in output vector I. If there are several identical minimum values, the index of the first one found is returned.
0 Kommentare
Weitere Antworten (2)
Walter Roberson
am 17 Feb. 2012
If find is not working with equality then your values are probably not what you think they are:
0 Kommentare
Heather Jones
am 5 Aug. 2018
The expression find(a=min(a)) is not valid. Try using == (which is used when testing equality) instead of = (which sets the left hand side equal to the right). find(a==min(a)) should work.
0 Kommentare
Siehe auch
Kategorien
Mehr zu NaNs finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!