MATLAB: Sum matrix column to get another matrix

Question

I have a matrix G 1441x365x91(MxNxL), I need another matrix D 1441×91 (MxL), whereby N must be summed. Shortly its a 1441×91 data over 365 days, and I need the 1441×91 data which is yearly sum.

thanks

Answer 1

G1 = squeeze(sum(G,2));