Difference between columns, fixed the first column, in a matrix
1 vue (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Montserrat Vallcorba Martí
le 3 Nov 2017
Commenté : Montserrat Vallcorba Martí
le 3 Nov 2017
Hi, I have a 3D-matrix and I want to calculate differences between columns, fixed the first column, and the value be positive or zero, i.e., for each 3D dimension calculate: max ( column(i)-column(1), 0 ). For example:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/169120/image.jpeg)
Thank you in advance!
0 commentaires
Réponse acceptée
Plus de réponses (1)
Andrei Bobrov
le 3 Nov 2017
Modifié(e) : Andrei Bobrov
le 3 Nov 2017
B = bsxfun(@minus,A(:,2:end,:),A(:,1,:));
B(B<0) = 0;
Voir également
Catégories
En savoir plus sur Elementary Math dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!