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Re: Getting the plotted data from a graph

• To: mathgroup at smc.vnet.net
• Subject: [mg131194] Re: Getting the plotted data from a graph
• From: "Louis Talman" <talmanl at gmail.com>
• Date: Sun, 16 Jun 2013 05:20:35 -0400 (EDT)
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• Delivered-to: l-mathgroup@wolfram.com
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• References: <20130615082448.BFAE16A7C@smc.vnet.net>

On Sat, 15 Jun 2013 02:24:48 -0600, Lily T. <econactually at gmail.com> wrote:

> Dear All,
>
> My question is regarding the plotted data points in a graph. Assume you  
> draw a graph of sinx as:
>
> g1 = Plot[Sin[x], {x, -Pi, Pi},
>       Frame -> True, FrameLabel -> {"x", "y"}, ImageSize -> 2.6*72
>     ]
>
> then how can I get all of the data points of this graph by using  
> mathematica?
>
> This is really important for me and I couldn't find the answer anywhere  
> online!
>
> Thank you for your help in advance!
>
> Best,
> Lily
>
The instructions

L = {};Plot[L = Append[L, {x, Sin[x]}]; Sin[x],{x, -Pi, Pi}]

capture the data points in L.

--Louis A. Talman
   Department of Mathematical and Computer Sciences
   Metropolitan State University of Denver

   <http://rowdy.msudenver.edu/~talmanl>

• References:
  • Getting the plotted data from a graph
    • From: "Lily T." <econactually@gmail.com>