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.
Reverse Run-Length Encoder
give nth decimal place of pi
Back to basics 15 - classes
Calculate the derivative of a polynomial
Matlab Basics II - Intervals
Find the last digit
Calculating selling price
find a specific element from an matrix
modulus of a number
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