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.
Add two numbers
Reverse the Words (not letters) of a String
Volume of a Parallelepiped
Reverse the elements of an array
Not square-free number sequence
Lights Out 28 - 3x3x3, x moves
Radiation Heat Transfer — View Factors (1)
Scrabble Scores - 3
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