Re: NIntegrate and the number of grid points used
- To: mathgroup at smc.vnet.net
- Subject: [mg72789] Re: [mg72779] NIntegrate and the number of grid points used
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sat, 20 Jan 2007 02:32:28 -0500 (EST)
- Reply-to: hanlonr at cox.net
NIntegrate has the option EvaluationMonitor
f[x_]:=Exp[x]*Sin[5x/2];
pts={};NIntegrate[f[x],{x,0,Pi},EvaluationMonitor:>AppendTo[pts, x]]
3.53665
Length[pts]
55
Plot[f[x],{x,0,Pi},
Epilog->{Red,Line[{{#,0},{#,f[#]}}]&/@pts},PlotRange->All,ImageSize->500];
Bob Hanlon
---- Thomas Schmelzer <thomas.??? at balliol.ox.ac.uk> wrote:
> Hoi zame,
>
> I am using NIntegrate to run a few experiments. I wonder whether there is a
> possibility to get access to the number of points used by Mathematica? That
> would be helpful.
>
> Thomas