20120821, 05:09  #1 
May 2004
13C_{16} Posts 
pari
Using pari how do we plot graphs: For example would be glad to receive step by step instructions to plot
2^n+ 7. tks 
20120821, 05:42  #2  
Romulan Interpreter
"name field"
Jun 2011
Thailand
3×5×683 Posts 
Quote:
step 2: write at the command prompt: plot(x=10,10,2^x+7) and press enter Code:
(12:40:06) gp > ?plot plot(X=a,b,expr,{Ymin},{Ymax}): crude plot of expression expr, X goes from a to b, with Y ranging from Ymin to Ymax. If Ymin (resp. Ymax) is not given, the minima (resp. the maxima) of the expression is used instead. (12:40:10) gp > plot(x=10,10,2^x+7) 1031 ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''"  :  :  :  x  :  :   _   :   :   x     _     x   _     _"   _   _"   __x"  0 ________________________________xxxxxxxxxxxxx""",,,,,,,,,,,,,,,, 10 10 (12:40:54) gp > Last fiddled with by LaurV on 20120821 at 05:43 Reason: code 

20120822, 05:18  #3 
May 2004
2^{2}×79 Posts 
pari
Thank you very much; will try.

20120822, 05:24  #4 
May 2004
2^{2}·79 Posts 
pari
Thanks once again. Just tried success!

20120822, 06:47  #5 
Romulan Interpreter
"name field"
Jun 2011
Thailand
24005_{8} Posts 
you can type "?10" at pari prompt (without quotes) for help on plotting functions. If you have the bitmaps associated with some application (like ms fax wiewer, ACDSee, whatever) then you can also use "ploth" function. That would make a nice bitmap/jpg/gif from your graphic and send it to the associated application, so you can see it on screen in a nice graphic mode.
Try: ploth(x=10,10,sin(x)/x) 
20120822, 13:58  #6  
"Forget I exist"
Jul 2009
Dartmouth NS
2·3·23·61 Posts 
Quote:
Last fiddled with by science_man_88 on 20120822 at 14:01 

20120828, 04:57  #7  
May 2004
2^{2}×79 Posts 
pari
Quote:
Code:
? plot(x=5,5,sqrt(25x^2)) 4.9993701 ''''''''''''''''''''''__xxx""""""""xxx__''''''''''''''''''''''  _xx" "xx_   _x" "x_   _x x_   _" "_   _x x_   _ _   x x   " "   " "   " "   " "   x x     " "    x x : : : : : : : : 0 _,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,_ 5 5 (10:20) gp > Last fiddled with by Batalov on 20120828 at 05:16 Reason: wrapped in [code] 

20120828, 05:02  #8 
May 2004
13C_{16} Posts 
completing a circle
Reading GPRC: /cygdrive/c/Program Files/PARI/.gprc ...Done.
GP/PARI CALCULATOR Version 2.3.4 (released) i686 running cygwin (ix86/GMP4.2.1 kernel) 32bit version compiled: Jul 12 2008, gcc3.4.4 (cygming special, gdc 0.12, using dmd 0.125) (readline v5.2 enabled, extended help available) Copyright (C) 20002006 The PARI Group PARI/GP is free software, covered by the GNU General Public License, and comes WITHOUT ANY WARRANTY WHATSOEVER. Type ? for help, \q to quit. Type ?12 for how to get moral (and possibly technical) support. parisize = 4000000, primelimit = 500000 (10:20) gp > plot(x=5,5,sqrt(25x^2)) 4.9993701 ''''''''''''''''''''''__xxx""""""""xxx__''''''''''''''''''''''  _xx" "xx_   _x" "x_   _x x_   _" "_   _x x_   _ _   x x   " "   " "   " "   " "   x x     " "    x x : : : : : : : : 0 _,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,_ 5 5 (10:20) gp >The above is actually a semicircle; how do I program a full circle pl? 
20120828, 06:29  #9 
Romulan Interpreter
"name field"
Jun 2011
Thailand
3·5·683 Posts 
How about "ploth(X=0,2*Pi,[sin(X),cos(X)],1)" ?

20120828, 06:45  #10 
Romulan Interpreter
"name field"
Jun 2011
Thailand
10100000000101_{2} Posts 
It doesn't make too much sense to ask the same question over and over...

20120828, 08:22  #11 
Jun 2003
3^{4}×67 Posts 
Something that almost works
Code:
plot(x=5,5,sqrt(25x^2)); plot(x=5,5,sqrt(25x^2)) 
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