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Re: simple question for mathematica tool

  • To: mathgroup at smc.vnet.net
  • Subject: [mg106863] Re: simple question for mathematica tool
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Mon, 25 Jan 2010 05:08:02 -0500 (EST)

On 1/24/10 at 5:40 AM, emperor_mvs at hotmail.com (MANOLIS VOSKAKIS)
wrote:

>we have an equation tha is divided in to sub equations f=150
>when 0<x15 f=x^3 when  15<x24

>how can i create a plot in mathematica?? i want all in 1 graph

First, use Piecewise to define f with the desired properties

f[x_] := Piecewise[{{150, x < 15}, {x^3, 15 < x < 24}}]

Then plot it using Plot

Plot[f[x], {x, 0, 30}]



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