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Integrating Interpolating function

• To: mathgroup at smc.vnet.net
• Subject: [mg120673] Integrating Interpolating function
• From: math_new <dom.woe at gmail.com>
• Date: Wed, 3 Aug 2011 07:07:02 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

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

• Follow-Ups:
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