Is it posible to get a 2-dimension matrix y(j,k) =Σ_i x(i,j,k) from 3 dimension hyper- matrix x(i,j,k) without using k-loop? If there is such a way, please teach me. Best regards, Masahiro Fujimoto -- Sent from: http://mailinglists.scilab.org/Scilab-users-Mailing-Lists-Archives-f2602246.html