Is the Point in a Circle?
Remove the two elements next to NaN value
Doubling elements in a vector
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Nth root of a number
count upper and lower case characters
basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
find number of times of occurrence of the most frequent number in a row vector
Basic Quadratic Equation
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