i have a matrix like:A=[9 7 8 4 2 5 1 8 6 12]. i wanna add the first 5 elements .how can I do this?

i have a matrix like:A=[9 7 8 4 2 5 1 8 6 12]. i wanna add the first 5 elements .how can I do this?

Answer 1

[Image Analyst]

Try this:

sumFirst5 = sum(A(1:5));

[fariba amini]

thanks