Cody
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
Neither n = -1, nor n = 0 are tested.
Back and Forth Rows
5362 Solvers
Implement a ROT13 cipher
649 Solvers
System of equations
116 Solvers
Matrix Construction I
73 Solvers
Values in Array
79 Solvers
unique with nan
18 Solvers
Net Present Value of a Stream of Cash Flows
21 Solvers
Go back n times
25 Solvers
Your favourite city!
151 Solvers
Recaman Sequence - II
205 Solvers
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office