This Challenge is to implement the Matlab Persistent variable capability.
Given a sequence of Calls to a function return the current input summed with the prior function call input.
On the first call return the current input.
Input: a (value)
Output: b where b=a+"previous a"
Example:
Input Sequence: 1 2 -3 3 5
Output Sequence: 1 3 -1 0 8
Related Challenge is Global.
Solve

Solution Stats

173 Solutions

47 Solvers

Last Solution submitted on Nov 10, 2025

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers47

David Hill Ramon Villamangca Christian Schröder Bin Jiang

Suggested Problems

More from this Author309

Problem Tags

Community Treasure Hunt

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

Start Hunting!