Compute median of a matrix of any dimension. Exclude the NaNs if any.
Getting the absolute index from a matrix
Remove the two elements next to NaN value
Determine the length of a string of characters
Finding perimeter of a rectangle
Rotate matrix by -90 degrees
Check if there are white spaces in the input string
Basic Quadratic Equation
Raise each element to the power of its index in a matrix
Perimeter of a semicircle
function to compute root mean square of first nn positive odd integers
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