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Re: Normal for Limit

• To: mathgroup at smc.vnet.net
• Subject: [mg74283] Re: Normal for Limit
• From: "Sebastian Meznaric" <meznaric at gmail.com>
• Date: Fri, 16 Mar 2007 04:53:30 -0500 (EST)
• References: <etcnik$9c3$1@smc.vnet.net>

On Mar 15, 5:15 pm, Mr Ajit Sen <senr... at yahoo.co.uk> wrote:
> Dear MathGroup,
>
>   I refer to Andrzej Kozlowski's post  where
>   he recommended the use of Series to find limits, and
>   then used Normal with Landau symbols (big O).
>
>   I therefore deduced (incorrectly ?) that
>
>        Limit[f[x],x->p] === Normal[f[x]+ O[x,p]],
>
>   except when p is a "pole".
>
>   So, is there a work around, still using Normal, to
>   obtain +/- Infinity?
>
>   My guess is that we might have to modify the args
>   of the O.  But I might be wrong.
>
>   I'd be grateful for any help.
>
>   Thanks a lot in advance.
>
>   Ajit Sen.
>
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Can you post the function you're using?