Re: NIntegrate where terms of integrand have unknown constant coefficients

• To: mathgroup at smc.vnet.net
• Subject: [mg8934] Re: NIntegrate where terms of integrand have unknown constant coefficients
• From: Paul Abbott <paul at physics.uwa.edu.au>
• Date: Sat, 4 Oct 1997 22:08:11 -0400
• Organization: University of Western Australia
• Sender: owner-wri-mathgroup at wolfram.com

```Scott Morrison wrote:

>  I'm trying to do something along the lines of NIntegrate[c[1] f[1][x] +
> c[2] f[2][x] + ..., {x, 0, a}], where c[n_] is unknown, but the f[n_] are
> defined so that NIntegrate[f[n][x], {x, 0, a}] would work. I'd like to be
> able to do the numerical integration, and keep the coefficients, so I'd get
> as an answer c[1] NIntegrate[f[1][x], {x, 0, a}] + c[2] NIntegrate[f[2][x],
> {x, 0, a}] + ... with all the NIntegrate's evaluated.

I'm not sure I understand your question?  It seems to me that you

c[1] NIntegrate[f[1][x], {x, 0, a}] + c[2] NIntegrate[f[2][x], {x, 0,
a}] + ...

and all the NIntegrate's will evaluate.

Cheers,
Paul

____________________________________________________________________
Paul Abbott                                   Phone: +61-8-9380-2734
Department of Physics                           Fax: +61-8-9380-1014
The University of Western Australia
Nedlands WA  6907                     mailto:paul at physics.uwa.edu.au
AUSTRALIA                             http://www.pd.uwa.edu.au/~paul

God IS a weakly left-handed dice player
____________________________________________________________________

```

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