Write a function that calculates the ratio between the sum of the prime numbers lower or equal than x, and the sum of the non-prime numbers lower than x.
test case #2 is not correct.
Replicate elements in vectors
02 - Vector Variables 1
Evaluating a polynomial
Determine the mean of matrix
Sum of a geometric series
Check if is a square
Alternating 1´s and 0´s in a matrix
Alternate list of elements
Get the mean digit
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