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Re: Integrating Interpolating function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg120687] Re: Integrating Interpolating function
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Wed, 3 Aug 2011 19:20:15 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201108031107.HAA10850@smc.vnet.net>
  • Reply-to: drmajorbob at yahoo.com

f = f /. sol
Integrate[t*f[t],{t,0,tend}]

Bobby

On Wed, 03 Aug 2011 06:07:02 -0500, math_new <dom.woe at gmail.com> wrote:

> Hi,
>
> I solve a system of differential equations using NDSolve up to time
> t_end. which gives me something like
>
> sol = {f->InterpolatingFunction}
>
> Now I want to do an integral like that
>
> Integrate[t*f[t],{t,0,tend}]
>
> but it won't be computed. What am I doing wrong?
>
> Cheers
>


-- 
DrMajorBob at yahoo.com




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