precision issues, a single test case, meaningless "not using built-in functions" limitation, and somewhat taunting "have a pride" exhortation... please do the same and put some more thought into your problem
Updated TSuite now
Humm. the test suite is actually requesting Gaussian elimination, not LU decomposition. You may check it by using [L,U] = lu(x). They are very similar processes, but not exactly the same.
Not a built in function, but still a very cheesy answer! :-)
I see you! hahahaha
Encode Roman Numerals
Connect Four Win Checker
Is the input divisible by 3?
02 - Vector Variables 1
I told you not separate me, but you did :( - ACDC
Combine the digits to output numbers
Convert radians to degrees
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