I think you try to get the "i" and "j" that the function nonzeros does not give:
Thanks José, I've fixed bugs.
"0" and not "false"... nice shot!
Right and wrong
vectorization in N
Is the Point in a Circle?
length of a vector
How many solutions has this problem?
Polite numbers. N-th polite number.
Optimum Egyptian Fractions
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