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
Solution Stats
Problem Comments
2 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers135
Suggested Problems
-
Find the sum of all the numbers of the input vector
54604 Solvers
-
Generate a vector like 1,2,2,3,3,3,4,4,4,4
14032 Solvers
-
Replace multiples of 5 with NaN
469 Solvers
-
Create an index-powered vector
952 Solvers
-
2309 Solvers
More from this Author21
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
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.
Additional test cases have been added and the description slightly modified.