Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2008

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Problems to find the local extrema of an InterpolatingFunction

  • To: mathgroup at smc.vnet.net
  • Subject: [mg87929] Re: Problems to find the local extrema of an InterpolatingFunction
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Sat, 19 Apr 2008 23:54:52 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <fuc7qh$a0q$1@smc.vnet.net>

Modeler wrote:

> does anyone know how to find all the local extrema of an InterpolatingFunction in a specified interval? The only
> thing that seems to work is Findroot, but it only finds a single root each time. Other rootfinding commands do not seem to work. Thanks for your help.

The following might help (Note that NDSolve[] returns an 
InterplolatingFunction so most of the post is relevant)

"Minima"
http://groups.google.com/group/comp.soft-sys.math.mathematica/msg/af7fdc8beb46b09a

Regards,
-- Jean-Marc



  • Prev by Date: Re: Mathematica syntax
  • Next by Date: Re: axis alignment of 3D plots with ListContourPlot3D
  • Previous by thread: Re: Problems to find the local extrema of an InterpolatingFunction
  • Next by thread: Re: Problems to find the local extrema of an InterpolatingFunction