MathGroup Archive 1999

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searching for an enveloppe

  • To: mathgroup at
  • Subject: [mg15611] searching for an enveloppe
  • From: Olivier Leroy <leroy at>
  • Date: Sat, 30 Jan 1999 04:28:17 -0500 (EST)
  • Organization: Inrets - VA
  • Sender: owner-wri-mathgroup at

I'd like to know the envelope of a curve. The data come from image
processing, and are known as a list of points, function of distance.
Does a method already exist to have an upper envelope near by the curve

Juliette Marais

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