MathGroup Archive 2006

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Limit bug?

I don't know why the second form does not evaluate but you can force it with 

Limit[TrigToExp[x - Log[Cosh[x]]], x->Infinity]


Bob Hanlon

> From: "Ray Koopman" <koopman at>
To: mathgroup at
> Subject: [mg65911] [mg65904] Limit bug?
> Does anyone have an explanation for this?
> I was expecting Out[2] to be Log[2].
> In[1]:= Limit[ Log[Cosh[x]] - x, x -> Infinity]
> Out[1]= -Log[2]
> In[2]:= Limit[ x - Log[Cosh[x]], x -> Infinity]
> Out[2]= Limit[x-Log[Cosh[x]],x\[Rule]\[Infinity]]

  • Prev by Date: How to extract functions from a list and call them with any argument?
  • Next by Date: Re: A bug in ListPlot3D ?
  • Previous by thread: Limit bug?
  • Next by thread: Re: Re: Limit bug?