Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2007
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2007

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

Search the Archive

Re: Plot a number line

  • To: mathgroup at smc.vnet.net
  • Subject: [mg79733] Re: [mg79687] Plot a number line
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Fri, 3 Aug 2007 06:22:59 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

numberLine[xmin_, xmax_, step_: 1] := Module[
   {min = Floor[xmin], max = Ceiling[xmax]},
   Graphics[{Arrowheads[{-0.03, 0.03}],
     Arrow[{{min - 2, 0}, {max + 2, 0}}],
     {Line[{{#, -0.2}, {#, 0.2}}],
        Text[#, {#, -0.3}, {0, 1}]} & /@
      
      Range[min, max, step]},
    ImageSize -> 500]];

numberLine[-10, 10]

numberLine[-10, 10, 2]


Bob Hanlon

---- Diana <diana.mecum at gmail.com> wrote: 
> Math folks,
> 
> I am trying to plot just an x axis number line with varying end
> points.
> 
> For example, I would like a number line with starting and ending
> arrows pointing to negative and positive infinity, with the numbers
> -10, -9, ..., 8, 9, 10 printed on the line. I would like just the tick
> marks at integer markings. This is meant to be a template for students
> to graph the solution set to an inequality on it.
> 
> Can someone help?
> 
> Thanks,
> 
> Diana M.
> 
> 



  • Prev by Date: If a*b=c/d, then a=c/bd, How do i do this in Mathematica?
  • Next by Date: Re: Plot a number line
  • Previous by thread: Re: Plot a number line
  • Next by thread: Re: Plot a number line