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bumby | 18 days ago

> How the hell does a polynomial "wiggle"?

I believe they’re defining “wiggle” as just the slope/rate of change/derivative

discuss

order

madcaptenor|18 days ago

Exactly.

Wiggling feels more like a second-derivative thing to me but that's discussed too - Chebyshev polynomials max out the second derivative as well as the first.