Cannot compute the following expression using "Symsum"

B is a Vector which is 1 x 29 ......

I need a row vector which is [B(1), B(1)+B(2) , B(1)+B(2)+B(3) , ........ ]

I am using Symsum /// But i am getting error....

Answer 1

[Zoltán Csáti]

Since B is a vector not a function, you can use cumsum. That is

a = cumsum(B);