Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Find all elements less than 0 or greater than 10 and replace them with NaN
Maximum value in a matrix
03 - Matrix Variables 3
Flip the bit
Back to basics - mean of corner elements of a matrix
Return area of square
Create matrix with Gray code
Volume and area of a sphere
Relative ratio of "1" in binary number
Make a vector of prime numbers
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