Return the sum of sum(res.y)
Tip: use bvp4c
Find the sum of all the numbers of the input vector
Magic is simple (for beginners)
Power of n ?
Find cosine between two given vectors u and v.
Check if a string starts with another string
Find the Sum of the Series:
Return the length of the longest word in the string.
Find the product of the positive elements above the main diagonal.
Find the sum of the negative elements under the main diagonal.
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