Return the sum of sum(res.y)
Tip: use bvp4c
The Goldbach Conjecture
Prime factor digits
Rotate a Matrix by 90 degrees
Calculate the area of a triangle between three points
Reverse the elements of an array
Calculate the centroid of a triangle
Check if a string starts with another string
Return the length of the longest word in the string.
Find the Sum of the Series:
Return the amount of palindromes (words) in the string.
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