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MathGroup Archive 2005

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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


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