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Re: Sigh...anyone care to explain this?


Hi Selwyn,

this is clearly a bug. Here is a work around

In[4]:=
Needs["Calculus`Limit`"]
In[5]:=
Limit[Integrate[E^x/x,{x,1,y}],y->Infinity]

Hope that helps
  Jens

-----Original Message-----
From: Selwyn Hollis <shollis at peachnet.campus.mci.net> To:
mathgroup at smc.vnet.net
Subject: [mg14334] [mg14294] Sigh...anyone care to explain this?


>Sigh...   anyone care to explain this?
>
>In:       clearlyDivergentImproperIntegral =
>Integrate[E^x/x,{x,1,Infinity}]
>           clearlyDivergentImproperIntegral // N
>
>Out:          -ExpIntegralEi[1]
>                 -1.89512
>
>--
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
>Dr. Selwyn Hollis
>Associate Professor of Mathematics
>Armstrong Atlantic State University
>Savannah, GA 31419 USA
><http://www.math.armstrong.edu/faculty/hollis/>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>



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