Write a function that has the following property: f(f(x)) = -x for any numeric array x.
Note that there is no restriction on the output for f(x). How bizarre can you make it?
Solution Stats
Problem Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers71
Suggested Problems
-
Sum of first n terms of a harmonic progression
523 Solvers
-
Change the sign of even index entries of the reversed vector
663 Solvers
-
Calculate the derivative of a polynomial
241 Solvers
-
Find and replaces spaces from a input string with *
172 Solvers
-
376 Solvers
More from this Author9
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!