Problem 505. Back to basics 24 - Symbolic variables

Covering some basic topics I haven't seen elsewhere on Cody.
Given a string algebraic expression, return the symbolic variables as a cell array of strings.
Example:
Input: 'cos(pi*x - beta1)'
Output: {'beta'; 'x'}
Solve

Solution Stats

61.35% Correct | 38.65% Incorrect
Last Solution submitted on Nov 22, 2025

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