Check whether the input matrix is a figurate number triangle: http://mathworld.wolfram.com/FigurateNumberTriangle.html
you should probably add a test case where the correct answer is false.
I added a few more tests as suggested.
Find the sum of all the numbers of the input vector
Create a cell array out of a struct
Generate a NaN...on purpose
Symmetry of vector
Factorize THIS, buddy
All your base are belong to us
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