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MathGroup Archive 2004

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RE: Show command.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg45385] RE: [mg45379] Show command.
  • From: "tgarza01 at prodigy.net.mx" <tgarza01 at prodigy.net.mx>
  • Date: Mon, 5 Jan 2004 03:51:00 -0500 (EST)
  • Reply-to: tgarza01 at prodigy.net.mx
  • Sender: owner-wri-mathgroup at wolfram.com

You typed pl = Plot[a, {x, -2, 9}] with the letter "l" in pl instead of the
number "1". Correct and try again.

Tomas Garza
Mexico City



Original Message:
-----------------
From:  gtsavdar at auth.gr (George)
To: mathgroup at smc.vnet.net
Subject: [mg45385] [mg45379] Show command.


I enter the following:
----------------------------------------------------------------------------
-
dat = {{1, 3}, {2, 12}, {3, 22}, {4, 35}, {5, 70}, {6, 95}, {7, 119}};

p = ListPlot[dat, PlotStyle -> PointSize[0.02]]

a = Fit[dat, x, x]
b = Fit[dat, {1, x, x^2}, x]

pl = Plot[a, {x, -2, 9}]
p2 = Plot[b, {x, -2, 9}]

Show[p,p1,p2]
----------------------------------------------------------------------------
-
Fit finds the requested things, Listplot and the 2 Plot draw the plots, 
BUT Show[p,p1,p2] don't show anything.  Well actually it shows the error
message: 

Show::gcomb: An error was encountered in combining the graphics objects 
in Show[p1, .Graphics]. More...


Why Show[p,p1,p2] don't show p,p1,p2?


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