2/8/2026 at 2:03:27 AM
by tzury
2/12/2026 at 6:53:27 AM
It’s been a while since I’ve done my Applied Computational Math Sciences degree, but I still appreciate seeing mathematically oriented posts like this on HN!by camkego
2/12/2026 at 10:53:07 AM
most of my recent post are about math, since it is the only matter that matter.by tzury
2/12/2026 at 1:39:12 PM
This made a noticeable woosh sound as it went right over my head. How the hell does a polynomial "wiggle"?But the Chebyshev polynomials, especially in their recursive definition, are a stroke of genius.
by zombot
2/12/2026 at 2:20:10 PM
> How the hell does a polynomial "wiggle"?I believe they’re defining “wiggle” as just the slope/rate of change/derivative
by bumby
2/12/2026 at 3:18:17 PM
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.
by madcaptenor