Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi test

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

MATLAB Academy

New to MATLAB?

Learn MATLAB today!

Problem 815. Persistent Usage

Created by Richard Zapor

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.

Tags

Problem Group

Solution Statistics

26 correct solutions 42 incorrect solutions
Last solution submitted on May 09, 2016

Problem Comments