Might be a good idea to change the test suite to "assert(isequal(cube3(),cube3().^3))" so that the answer isn't revealed by looking at the test suite.
Michael C. had a good point, but you also need "assert(numel(unique(cube3()))==3)"
Yo may need to check for length 3
Add a test to assert that length == 3.
It would be a good idea to check that a length 3 vector is returned.
High school cafeteria
Is the Point in a Circle?
Calculate the area of a triangle between three points
MATCH THE STRINGS (2 CHAR) very easy
find radius of cone
Given a matrix, swap the 2nd & 3rd columns
Simple date to serial no. conversion
Basics: 'Find the eigenvalues of given matrix
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