First test case is invalid. Please fix it.
I have fixed it.
and the fourth...
It must be OK now!
First non-zero element in each column
Basics: 'Find the eigenvalues of given matrix
Sum of odd numbers in a matrix
Max of a Vector
Low level NaN
Find the biggest digit in a matrix
Mean = Standard Deviation
Repeat string n times - 3
replace nan values iteratively.
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