Re: [R] Multivariate integration with infinite limits

2007-11-11 Thread Rolf Turner
On 11/11/2007, at 1:43 AM, Uwe Ligges wrote: > Paul Smith wrote: >> Dear All, >> >> Can R perform multivariate integration with infinite limits of >> integration? > > No, R does numerical (not symbolical) calculations, hence it can never > perform integration (not even univariate) with infinite

Re: [R] Multivariate integration with infinite limits

2007-11-10 Thread Uwe Ligges
Thanks to all who corrected my misinformation! Uwe Ligges S Ellison wrote: > Ermmm... from ?integrate > "Description: > > Adaptive quadrature of functions of one variable over a finite or > infinite interval." > > R maps infinite intervals to a finite interval before numerical integ

Re: [R] Multivariate integration with infinite limits

2007-11-10 Thread S Ellison
Ermmm... from ?integrate "Description: Adaptive quadrature of functions of one variable over a finite or infinite interval." R maps infinite intervals to a finite interval before numerical integration, provided that you tell it that the limits are infinite. Using integrate() over mult

Re: [R] Multivariate integration with infinite limits

2007-11-10 Thread Prof Brian Ripley
On Sat, 10 Nov 2007, Uwe Ligges wrote: > > > Paul Smith wrote: >> Dear All, >> >> Can R perform multivariate integration with infinite limits of integration? > > No, R does numerical (not symbolical) calculations, hence it can never > perform integration (not even univariate) with infinite limits.

Re: [R] Multivariate integration with infinite limits

2007-11-10 Thread Paul Smith
On Nov 10, 2007 12:43 PM, Uwe Ligges <[EMAIL PROTECTED]> wrote: > > Can R perform multivariate integration with infinite limits of integration? > > No, R does numerical (not symbolical) calculations, hence it can never > perform integration (not even univariate) with infinite limits. Not entirely

Re: [R] Multivariate integration with infinite limits

2007-11-10 Thread Uwe Ligges
Paul Smith wrote: > Dear All, > > Can R perform multivariate integration with infinite limits of integration? No, R does numerical (not symbolical) calculations, hence it can never perform integration (not even univariate) with infinite limits. Uwe Ligges > Thanks in advance, > > Paul >

[R] Multivariate integration with infinite limits

2007-11-09 Thread Paul Smith
Dear All, Can R perform multivariate integration with infinite limits of integration? Thanks in advance, Paul __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/p