It seems to me that the result for [m,n]=[4,4] is incorrect.
Yes it is, William. It should be the 2x2 case (instead of 4x4), which should be all zeros.
The test suite has been updated.
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Find last zero for each column
Verify Law of Large Numbers
Create a "+" flag
Create the flag of Ramumbia
Flag a convertible string
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