When did the "function ans = " trick start working again?
It started to work when Cody server upgraded its MATLAB to R2016b. So strictly speaking, it's not just a Cody trick, but a MATLAB R2016b feature. This feature was somewhat discontinued in R2016a, but it works in many earlier versions.
Extract leading non-zero digit
Do Fast Fourier Transformation
03 - Matrix Variables 1
Find the position of first minimum value in an integer array with numbers
Is this triangle right-angled?
Area of polygon
Non trivial identities - differentiation
Non trivial identities - summation
Performance - summation
Simple polynomial evaluation
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