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Make a Palindrome Number
Find common elements in matrix rows
Remove the polynomials that have positive real elements of their roots.
Find all elements less than 0 or greater than 10 and replace them with NaN
Encode Roman Numerals
Find the longest sequence of 1's in a binary sequence.
Prime factor digits
Make the vector [1 2 3 4 5 6 7 8 9 10]
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