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 Solvers136
Suggested Problems
-
Which values occur exactly three times?
5254 Solvers
-
middleAsColumn: Return all but first and last element as a column vector
654 Solvers
-
660 Solvers
-
Determine the length of a string of characters
268 Solvers
-
218 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.