Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and return that de-primed array or matrix. One will be treated as prime in this problem.
One in not prime!!!
And therefore should not become de-primed.
Knight's Tour Checker
Is my wife right? Now with even more wrong husband
Back to basics 8 - Matrix Diagonals
Divisible by 4
Highly divisible triangular number (inspired by Project Euler 12)
Legend of Zelda - Rupee Count (Item Purchase)
Rumis Scorer 2
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