@Robert, can you please verify that the last test case is correct?
I corrected a typo, checked the "Restore all solutions" box, and clicked "Save." Not sure how to tell when they're rescored.
Find relatively common elements in matrix rows
Are you in or are you out?
Column norms of a matrix
Calculate Euler's phi function
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Bisection method of finding a root.
Steepest Descent Method
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