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MathGroup Archive 1992

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Re: Limit[FresnelC[t],t->Infinity]

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: Re: Limit[FresnelC[t],t->Infinity]
  • From: David Withoff <withoff>
  • Date: Sat, 22 Aug 1992 19:54:59 -0500

In response to:
> << Limit[FresnelC[t],t->Infinity]>> gives me a no very satisfactoring answer.
> 
> ComposeSeries[....] and an error in SeriesData.
> Is there something wrong in my installation?
> Integrate[Cos[t^2],{t,0,Infinity}] gives a result but also gives an 
> error in SeriesData.
> 
> Michael Trott
> 
> trott at physik.th-ilmenau.de

You might try the package Calcululs`Limit` :

In[1]:= << Calculus`Limit`

In[2]:= Limit[FresnelC[t],t->Infinity]

        1
Out[2]= -
        2

The algorithm used in the package is somewhat better at handling
essential singularities.

Dave Withoff
withoff at wri.com





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