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MathGroup Archive 1996

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Re: ListPlot the output of Print

  • To: mathgroup at smc.vnet.net
  • Subject: [mg4468] Re: ListPlot the output of Print
  • From: vvs124 at rsphy1.anu.edu.au (Victoria Steblina)
  • Date: Mon, 29 Jul 1996 02:37:22 -0400
  • Organization: Optical Sciences Centre, ANU
  • Sender: owner-wri-mathgroup at wolfram.com

Mike at utk.edu (Mike) wrote:

>How can I easily render the output of a print statement to ListPlot without 
>the cut & paste routine. 
>Example: 

>Do [ Print[ N[ {x,Sin[x]} ] ] , {x,0,2Pi,Pi/6}]


One way of doing this is to write data in a file after the printing
loop:

In[29]:= file = OpenWrite["datafile"];

         Do[Write[file,N[ {x,Sin[x]} ] ] , {x,0,2Pi,Pi/6}]

         Close[file];

Check the output "datafile":

In[32]:= !!datafile

{0, 0}
{0.5235987755982988, 0.5}
{1.047197551196598, 0.866025403784439}
{1.570796326794897, 1.}
{2.094395102393195, 0.866025403784439}
{2.617993877991494, 0.5}
{3.141592653589793, 0}
{3.665191429188092, -0.5}
{4.188790204786391, -0.866025403784439}
{4.71238898038469, -1.}
{5.235987755982989, -0.866025403784439}
{5.759586531581287, -0.5}
{6.283185307179587, 0}

Now read the list from the file as a Mathematica expression and
ListPlot it:

In[28]:= ListPlot[ ReadList["datafile", Expression] ]

Out[28]= -Graphics-


Cheers
Vicki

___________________________________________________________________
 Victoria Steblina                     
 vvs124 at rsphy1.anu.edu.au                                              
                         
 Optical Sciences Centre                                               
                                     
 Australian National University              

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