MATLAB: How to calculate the sum of each row in a matrix

Question

Dear All,

I want to calculate the sum of each row in a large matrix.The matrix looks like:

   y1 y2 y3 y4 y5 
x2 2  4  4  6  7      Sumx2=??
x3 1  2  3  4  5      Sumx3=??
x4 1  2  3  4  5      etc
x5 1  2  4  5  6

My goal is to calculate for each x values the sum of the row. Do you have any idea to do that?

Answer 1

A=[2  4  4  6  7 
   1  2  3  4  5 
   1  2  3  4  5 
   1  2  4  5  6]
out=sum(A,2)