how to sum each element in vector

I have a vector a = 1:1:10;

I want to make a vector by sum each elements; for example, s = [1+0 1+2 3+3 6+4 10+5 ...... ];

I use loop, but it doesn't give me a vector.

a = 1:1:10;

s = 0;

for i=1:length(a)

s = s + a(i);

end

thank you

Answer 1

[DGM]

a = 1:1:10; 

% you could do it with a loop
s = zeros(1,numel(a)); 
s(1) = a(1);
for i = 2:numel(a)
    s(i) = s(i-1) + a(i); 
end
s

s = 1×10

1 3 6 10 15 21 28 36 45 55

% or you could just do 
s = cumsum(a)

s = 1×10

1 3 6 10 15 21 28 36 45 55