Problem 45189. Double Factorial
Return double factorial
n(n-2)...(5)(3)(1), n>0, odd n!! = n(n-2)...(6)(4)(2), n>0, even 1 , n = -1, or n = 0
For example
6!! = (6)(4)(2) = 48
Solution Stats
Problem Comments
-
1 Comment
Atsushi Ueno
on 17 Nov 2019
Neither n = -1, nor n = 0 are tested.
Solution Comments
Show commentsProblem Recent Solvers65
Suggested Problems
-
834 Solvers
-
Check if number exists in vector
12169 Solvers
-
707 Solvers
-
277 Solvers
-
Sum of the Multiplication of Vectors
272 Solvers
More from this Author92
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!