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.
Which values occur exactly three times?
Counting in Finnish
Matlab Basics - Rounding II
Find the area of a triangle
find radius of cone
Who invented zero?
CONVERT TAN TO SIN
Basics: 'Find the eigenvalues of given matrix
Given a matrix, swap the 2nd & 3rd columns
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