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Re: [Devel] Problems with bbox code and cubic bezier curves
From: |
Nathan Hurst |
Subject: |
Re: [Devel] Problems with bbox code and cubic bezier curves |
Date: |
Wed, 25 Apr 2001 11:44:16 +1000 (EST) |
On Tue, 24 Apr 2001, Tom Kacvinsky wrote:
> I hope this is what Richard meant -- find the zeros of the first deriviative,
> because at an inflection point, a curve does not necessarily change
> monoticity.
> In fact, I *believe* (but have no theorem to cite) that a curve cannot have a
> local max/min at a point of inflection, and vice versa.
A common misconception. y=x^4 is a trivial counter example.
HTH,
njh
- Re: [Devel] Problems with bbox code and cubic bezier curves, (continued)
- Re: [Devel] Problems with bbox code and cubic bezier curves, Toby J Sargeant, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, David Turner, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, David Turner, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, Werner LEMBERG, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, Nathan Hurst, 2001/04/23
- Re: [Devel] Problems with bbox code and cubic bezier curves, Werner LEMBERG, 2001/04/24
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/24
- Re: [Devel] Problems with bbox code and cubic bezier curves,
Nathan Hurst <=
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/24
- Re: [Devel] Problems with bbox code and cubic bezier curves, David Turner, 2001/04/25
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/25
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/24
- Re: [Devel] Problems with bbox code and cubic bezier curves, Just van Rossum, 2001/04/24
- Re: [Devel] Problems with bbox code and cubic bezier curves, Tom Kacvinsky, 2001/04/24
RE: [Devel] Problems with bbox code and cubic bezier curves, Ivan Nincic, 2001/04/24
RE: [Devel] Problems with bbox code and cubic bezier curves, Ivan Nincic, 2001/04/24