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 sum of all the numbers of the input vector
Remove the vowels
Determine if a Given Number is a Triangle Number
Matlab Basics II - Free Fall
Matlab Basics II - Create a vector with a repeated entry
Say type of roots in quadratic equation
Ratio between sum of primes and sum of factors
Get the value 100
Sum of a geometric series
Get the mean digit
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