MathGroup Archive 1999

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Re: help

  • To: mathgroup at smc.vnet.net
  • Subject: [mg21008] Re: [mg20934] help
  • From: "David Park" <djmp at earthlink.net>
  • Date: Thu, 2 Dec 1999 21:41:21 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

>Anybody know that mathematica can plot many plots which is two variables one
>time?like as following:
>
>A={-1,0,1},B={-1,1,2},C{0,1,2}and I want to plot Ax+By=C by Mathematica?
>
>Anyone ccan help me?
>Thanks!!!
>
>

a = {-1, 0, 1};
b = {-1, 1, 2};
c = {0, 1, 2};

eqns = MapThread[#1 x + #2 y == #3 &, {a, b, c}]
{-x - y == 0, y == 1, x + 2 y == 2}

Needs["Graphics`ImplicitPlot`"]
Needs["Graphics`Colors`"]

ImplicitPlot[eqns, {x, -5, 5}, {y, -5, 5}, PlotStyle -> {Black, Red, Blue}];

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/



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