Write a function that calculates the ratio between the sum of primes numbers lower or equal to x, and the sum of the factors of x.
The 3rd test case, for x = 100; is wrong. Please correct it.
Done! thank you!
Test Suite problem #3 has an incorrect value for y_correct.
Find the peak 3n+1 sequence value
Number of 1s in a binary string
Whether the input is vector?
What number has this problem?
Convert from integer to binary
Ratio between sum of primer numbers and non-prime numbers
Get the value 100
Approximate the inverse tangent by power series
Sum of a geometric series
Say type of roots in quadratic equation
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