Naive sign function for real numbers - challenge

Join the discussion
Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.
Real named experts · corrections over time · the nuance an AI answer skips
31 replies · 6K views
I will use the Lemmings suicide function. Then maybe this thread will truncate.
 
Physics news on Phys.org
Given any number x you could guess the sign. You'd be right half the time.