Hello, I would like to convert this mathematical equation into MATLAB code.
1 vue (au cours des 30 derniers jours)
Afficher commentaires plus anciens
![Hello, I would like to convert this mathematical equation into MATLAB code](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1239312/image.png)
1 commentaire
John D'Errico
le 21 Déc 2022
You already got a valid answer. There is no reason to then post the same question a second time. I closed the other.
Réponses (1)
Bora Eryilmaz
le 21 Déc 2022
Modifié(e) : Bora Eryilmaz
le 21 Déc 2022
x = rand(100,1);
N = numel(x);
num = (sum(x)/N)^2;
den = sum(abs(x.^2)) / N;
s = num / den
1 commentaire
Walter Roberson
le 21 Déc 2022
x_m = rand(100,1);
%Bora's version, valid only for reals
N = numel(x_m);
num = (sum(x_m)/N)^2;
den = sum(abs(x_m.^2)) / N;
s = num / den
%a more compact version valid only for reals
num2 = mean(x_m).^2;
den2 = mean(x_m.^2);
s2 = num2/den2
%analog for compact version but valid for complex as well
num3 = abs(mean(x_m)).^2;
den3 = mean(abs(x_m).^2);
s3 = num3 / den3
What you can get away with depends on whether there might be complex numbers involved.
Voir également
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!