Problem 42922. Zero Cross

Created by Abdullah Caliskan

Solve Later

Write a function that counts the number of times n a signal x changes sign.

Examples

 x = [1 2 -3 -4 5 6 -7 8 -9 10 11]
 n = 6

 x = [1 2 -3]
 n = 1

Solve

Solution Stats

Last solution submitted on Oct 09, 2019

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Jan Orwat on 27 Aug 2016

It would be beneficial for the problem if zeros were added to test cases, for example [...,1,2,0,-1,-2,...], [...,1,2,3,0,2,3,...], [...1,2,3,0,0,0,1,2,...], [...,1,2,0,0,-1,-2,...], etc.

goc3 on 23 May 2018

Additional test cases have been added and the description slightly modified.

Problem Recent Solvers63

Problem Tags

vector zero cross

Problem 42922. Zero Cross

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers63

Suggested Problems

More from this Author22

Problem Tags

Problem 42922. Zero Cross

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers63

Suggested Problems

More from this Author22

Problem Tags

Players