s='A fractal is a natural phenomenon or a mathematical set that exhibits a repeating pattern that displays at every scale'
result = 12
Remove the polynomials that have positive real elements of their roots.
Renaming a field in a structure array
Check to see if a Sudoku Puzzle is Solved
Product of elements in row
Find matrix of indices for multidimensional matrix.
Find the sum of the negative elements under the main diagonal.
Find the product of the positive elements above the main diagonal.
Calculate the eigenvalues of A.
Solve the system of equations.
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