why this code is not correct?
s = summ(v)
sorry mate, this is unfair for those who actually came up with a compact solution
No need to be sorry.
Personally I think the regexp should be always forbidden.
I used it (and I had never thought about it before) because it seems that everyone is using it.
Remove the polynomials that have positive real elements of their roots.
Find nearest prime number less than input number
find radius of cone
Solving Quadratic Equations (Version 1)
Product of Array
Remove the air bubbles from a vector
Separate even from odd numbers in a vector - without loops
Add a vector to a matrix
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