Services & Resources / Wolfram Forums
MathGroup Archive
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2004

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

Search the Archive

Re: Calculus : limits

  • To: mathgroup at
  • Subject: [mg51302] Re: [mg51279] Calculus : limits
  • From: Matteo Delfino <delfino at>
  • Date: Thu, 14 Oct 2004 06:35:20 -0400 (EDT)
  • References: <>
  • Reply-to: delfino at
  • Sender: owner-wri-mathgroup at

Amir ha scritto:
> Hi,
> I'd like to find the limit of
> Limit[(Abs[Sin[x]-Sin[2 x]]) / x, x->0]
> I use Mathematica v.5. I get the wrong (??) answer : 1
> While I try to display the graph of this function by using "Plot", it 
> seems that there is no limit at the point x=0.
> Please help...
> Amir

Try with:

Limit[(Abs[Sin[x]-Sin[2 x]]) / x, x->0,Direction->1]

and you will get the answer as x approaches to x0 from smaller values 
(odd limit). Read mathematica help for more informations on Limit[] and 
Direction option.

Matteo Delfino

  • Prev by Date: Cylindrical coordinates problem
  • Next by Date: Re: Calculus : limits
  • Previous by thread: Calculus : limits
  • Next by thread: Re: Calculus : limits