Technical term for summation of sequential numbers

$\begingroup$

Given $n$, I wish to do the following operation: $f(n) = n + (n-1) + (n-2) + ... + 1$. For example, $f(4) = 10$. What is the technical term for this kind of operation?

$\endgroup$ 9 Sorted by: Reset to default

Know someone who can answer? Share a link to this question via email, Twitter, or Facebook.

Your Answer

Sign up or log in

Sign up using Google Sign up using Facebook Sign up using Email and Password Submit

Post as a guest

Post Your Answer Discard

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy