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.
surface of a spherical planet
Back to basics 21 - Matrix replicating
How to subtract?
05 - Vector Equations 2
Test Problem; Create a 5x5 array containing all ones
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Capitilize the first letter of every word in a string
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