Find the key for vector transformation
1 vue (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Hello friends, Below is the optimization work. Even though I woked with fminsearch and similar tools, I cannot figure this out. Any help? Thank you very much. A & B & KEY are vectors of same length. the KEY is unknown. find the KEY such that minimize the function B-A(KEY).
clc;clear
A= [25 21.2 0.4 3.5 15 60 14 8.1 16.9 1.1];
KEY= [3 5 8 1 10 9 7 6 2 4];
B= A(KEY) + rand(1,10);
0 commentaires
Réponse acceptée
Walter Roberson
le 27 Sep 2022
You do not want to minimize B-A(KEY): those are vectors and you cannot minimize a vector.
A= [25 21.2 0.4 3.5 15 60 14 8.1 16.9 1.1];
KEY= [3 5 8 1 10 9 7 6 2 4];
B= A(KEY) + rand(1,10);
Kp = perms(KEY);
values = sum((B - A(Kp)).^2,2);
[bestresult, idx] = min(values);
bestresult
Kp(idx,:)
5 commentaires
Walter Roberson
le 28 Sep 2022
That's why I was talking about custom functions to enforce integer permutation.
Plus de réponses (1)
Voir également
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!