And this problem is much easier than others you solved here!! ;-)
Sorry, I was tempted by the 'break the lock' part... :)
Sum of diagonal of a square matrix
sum of first 'n' terms
Upper triangular matrix
Find the index of n in magic(n)
Don't Try, give up and return NaN.
Packing oranges - one layer
How many solutions has this problem?
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