Re: nonLinearFit and nonLinearRegress
- To: mathgroup at smc.vnet.net
- Subject: [mg55353] Re: nonLinearFit and nonLinearRegress
- From: Peter Pein <petsie at arcor.de>
- Date: Sun, 20 Mar 2005 04:11:46 -0500 (EST)
- References: <d1ecpc$etg$1@smc.vnet.net> <d1gt5e$hp$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Peter Pein wrote:
> John Hawkin wrote:
>
...
>>
>>h[B]:=2/(B pi) NIntegrate[x Sin[x] Exp[-(x/B)^3/2], {x, 0, inf},
>>Method-Oscillatory];
>>holts[c_, d_, Q_]:= NIntegrate[h[B], {B, c/Q, d/Q}];
...
>>John Hawkin
>>
>
> Hi John,
...
>
> Assuming[Element[B, Reals] && z > 0,
> Integrate[(2*Integrate[(x*Sin[x])/E^((1/2)*(x/B)^2), {x, 0,
> Infinity}])/(B*Pi), {B, 0, z}]]
>
Daniel Lichtblau has got better eyes (or glasses ;-) ) -- sorry
--
Peter Pein
Berlin