Cumulative Sum of a Vector - Syntax

Question

I am trying to resolve why the following Matlab syntax does not work.

1. I have an array A = [2 3 4 5 8 9...]
2. I wish to create an indexed cumulative, for

Answer 1

Actually what you are doing is s(1:10)= sum(A(1:[1,2,3...10])) what you should do is

for i=1:10
    s(i)=sum(A(1:i))
end

hope it will help you