MathGroup Archive 2011

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

Search the Archive

Re: Inverse Interpolation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg120962] Re: Inverse Interpolation
  • From: Heike Gramberg <heike.gramberg at gmail.com>
  • Date: Fri, 19 Aug 2011 06:33:50 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201108180722.DAA11854@smc.vnet.net>

I'm not entirely sure what your code is supposed to do but maybe this helps

list = {};
F = Cos[x];

Plot[F, {x, -1, 1}, PlotPoints -> 1000, PlotRange -> All, 
 AxesLabel -> {"x", "F"}, EvaluationMonitor :> AppendTo[list, {F, x}]]

Heike.


On 18 Aug 2011, at 09:22, WetBlanket wrote:

> Previously, the following code could be used to use the Plot functions
> algorithm to select point at which to evaluate a function to assist in
> obtaining a good numerical interpolation.  In Version 8 this code does
> not seem to work ( at least for me).  Can someone assist me by showing
> how this task is best accomplished in Version 8.  I use the Cos
> function in this example for simplicity.  Clearly, numerical
> interpolation is not needed to obtain an inverse for the Cos.
> 
> list={};
> F = Cos[x];
> 
> Plot[ (  ss=F;  AppendTo[list, {ss,x}]; ss), {x,-1,1}, PlotPoints-
>> 1000,
> PlotRange->All, AxesLabel->{"x","F"}]
> 
> Thanks for the help.
> 
> 





  • Prev by Date: Parameter Optimization to match a PDE solution to experimental results
  • Next by Date: Re: Parameter optimizatrion in modified diffusion equation
  • Previous by thread: Inverse Interpolation
  • Next by thread: Re: Inverse Interpolation