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MathGroup Archive 2004

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Re: Problems with Plot in Mathematica 4.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg45850] Re: [mg45806] Problems with Plot in Mathematica 4.0
  • From: Hugh Walker <hwalker at gvtc.com>
  • Date: Tue, 27 Jan 2004 04:50:48 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

On Monday, January 26, 2004, at 12:53 AM, Manfred Fischer wrote:

> I want to plot the two functions in one Plot output
> +0.5x^2-x (definition-range -3<=x<=0)
> -0.5x^2+x (definition-range 0<=x<=3)
>
> I can't find a mathematica 4.0 solution, please help!
>
> -ManFis -

Here is one way:

fun[x_] := If[-3 <= x <= 0, 0.5*x^2 - x, 0.5*x^2 + x];
Plot[fun[x], {x, -3, 3}];

==========
Hugh Walker
Gnarly Oaks


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