test case #2 is not correct.
The problem description should be change to "and the sum of non-prime numbers up to the greatest prime lower than x".
Thank you for that clarification, @Rafael S.T. Vieira. The problem title and description have been improved, along with added test cases.
Find the alphabetic word product
Bottles of beer
The sum of the numbers in the vector
Determine the square root
Ratio between sum of primes and sum of factors
Double the next!
Get the mean digit
Alternating 1´s and 0´s in a matrix
Approximate the inverse tangent by power series
Find the treasures in MATLAB Central and discover how the community can help you!
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