Given the matrix M, return M without the external frame.
Additional test cases have been added.
Remove the polynomials that have positive real elements of their roots.
How to find the position of an element in a vector without using the find function
Sum the elements in either diagonal of a square matrix
Matlab Basics II - Count rows in a matrix
Horizontal matrix sort
Find the function 2
Find the function
Fermat's Last Theorem - Fermat's conjecture
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