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From: ram@zedat.fu-berlin.de (Stefan Ram)
Newsgroups: comp.lang.python
Subject: Re: Beazley's Problem
Date: 21 Sep 2024 14:18:07 GMT
Organization: Stefan Ram
Lines: 8
Expires: 1 Jul 2025 11:59:58 GMT
Message-ID: <newton-20240921151727@ram.dialup.fu-berlin.de>
References: <problem-20240921130726@ram.dialup.fu-berlin.de> <87tte941ko.fsf@nightsong.com>
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Paul Rubin <no.email@nospam.invalid> wrote or quoted:
>def ddx(f,x,h=0.001): return (f(x+h)-f(x-h))/(2*h) # numerical derivative
>def newton(f,x0): return x0 - f(x0)/ddx(f,x0)      # Newton-Raphson iteration

  It's hella rad to see you bust out those "next-level math tricks"
  with just a single line each!