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
-
2280 Solvers
-
Output any real number that is neither positive nor negative
411 Solvers
-
611 Solvers
-
1005 Solvers
-
Matlab Basics - Convert a row vector to a column vector
685 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.