Problem 51975. Compute a sum of Ramanujan

Srinivasa Ramanujan defined the following function:
phi(a) = 1+2 Sum[1/((a k)^3 - a k),{k,1,infinity}]
Write a function to compute phi(a) for various values of a. See also Cody Problems 45960 and 46000.
Solve

Solution Stats

34.48% Correct | 65.52% Incorrect
Last Solution submitted on Oct 07, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers16

Suggested Problems

More from this Author314

Problem Tags

special functions sum

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!