find the first elements of a column matrix
This would be better as "find the nth element of an array." Also, a column matrix doesn't exist. Perhaps you meant column vector, though the variables in your test cases are row vectors.
Most nonzero elements in row
05 - Vector Equations 2
multiply by three
Compute LOG(1+X) in natural log
BASICS - sum part of vector
modulus of a number
find the mean of all elements in a matrix
Find the last digit
find a specific element from an matrix
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