Find all elements less than 0 or greater than 10 and replace them with NaN
Number of 1s in a binary string
Say something funny
find the maximum element of the matrix
Average of corner elements of a matrix (★★)
Mo money, mo math 1! (★★★)
Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
Magnitude of a vector (★★★)
Sum of elements of a vector (★★★)
Longest run of consecutive numbers (★★★★★)
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