#!/gnuplot
#
#    
#    	G N U P L O T
#    	Version 4.2 patchlevel 4 
#    	last modified Sep 2008
#    	System: MS-Windows 32 bit 
#    
#    	Copyright (C) 1986 - 1993, 1998, 2004, 2007, 2008
#    	Thomas Williams, Colin Kelley and many others
#    
#    	Type `help` to access the on-line reference manual.
#    	The gnuplot FAQ is available from http://www.gnuplot.info/faq/
#    
#    	Send bug reports and suggestions to <http://sourceforge.net/projects/gnuplot>
#    
# set terminal windows color noenhanced
 set terminal windows color 
 set output
#unset clip points
set clip one
#unset clip two
set bar 1.000000
#set border 31 front linetype -1 linewidth 1.000
set xdata
set ydata
set zdata
set x2data
set y2data
#set timefmt x "%d/%m/%y,%H:%M"
#set timefmt y "%d/%m/%y,%H:%M"
#set timefmt z "%d/%m/%y,%H:%M"
#set timefmt x2 "%d/%m/%y,%H:%M"
#set timefmt y2 "%d/%m/%y,%H:%M"
#set timefmt cb "%d/%m/%y,%H:%M"
set boxwidth
#set style fill  empty border
#set style rectangle back fc lt -3 fillstyle  solid 1.00 border -1
set dummy x,y
set format x "% g"
set format y "% g"
set format x2 "% g"
set format y2 "% g"
set format z "% g"
#set format cb "% g"
set angles radians
#unset grid
set key title ""
#set key inside right top vertical Right noreverse enhanced autotitles nobox
#set key noinvert samplen 4 spacing 1 width 0 height 0 
#unset label
#unset arrow
#set style increment default
#unset style line
#unset style arrow
#set style histogram clustered gap 2 title  offset character 0, 0, 0
#unset logscale
set offsets 0, 0, 0, 0
set pointsize 1
set encoding default
#unset polar
#unset parametric
#unset decimalsign
#set view 60, 30, 1, 1
set view 0, 0, 1, 1
set samples 100, 100
#set isosamples 10, 10
set isosamples 30, 30
#set surface
set nosurface
#unset contour
set contour
set clabel '%8.3g'
set mapping cartesian
#set datafile separator whitespace
#unset hidden3d
set cntrparam order 4
set cntrparam linear
#set cntrparam levels auto 5
#set cntrparam levels auto 10
set cntrparam levels discrete -1, -0.5, -0.2, -0.1, 0, 0.1, 0.2, 0.5, 1.0
set cntrparam points 5
set size ratio 0 1,1
set origin 0,0
#set style data points
#set style function lines
set xzeroaxis linetype -2 linewidth 1.000
set yzeroaxis linetype -2 linewidth 1.000
#set zzeroaxis linetype -2 linewidth 1.000
set x2zeroaxis linetype -2 linewidth 1.000
set y2zeroaxis linetype -2 linewidth 1.000
set ticslevel 0.5
set mxtics default
set mytics default
set mztics default
set mx2tics default
set my2tics default
#set mcbtics default
#set xtics border in scale 1,0.5 mirror norotate  offset character 0, 0, 0
set xtics autofreq 
#set ytics border in scale 1,0.5 mirror norotate  offset character 0, 0, 0
set ytics autofreq 
#set ztics border in scale 1,0.5 nomirror norotate  offset character 0, 0, 0
set ztics autofreq 
set nox2tics
set noy2tics
#set cbtics border in scale 1,0.5 mirror norotate  offset character 0, 0, 0
#set cbtics autofreq 
set title "Potential profile " 
#set title  offset character 0, 0, 0 font "" norotate
set timestamp bottom 
set timestamp "" 
#set timestamp  offset character 0, 0, 0 font "" norotate
set rrange [ * : * ] noreverse nowriteback  # (currently [0.000000:10.0000] )
set trange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
set urange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
set vrange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
set xlabel "x" 
#set xlabel  offset character 0, 0, 0 font "" textcolor lt -1 norotate
set x2label "" 
#set x2label  offset character 0, 0, 0 font "" textcolor lt -1 norotate
set xrange [ * : * ] noreverse nowriteback  # (currently [-10.0000:10.0000] )
set x2range [ * : * ] noreverse nowriteback  # (currently [-10.0000:10.0000] )
set ylabel "V" 
#set ylabel  offset character 0, 0, 0 font "" textcolor lt -1 rotate by 90
set y2label "" 
#set y2label  offset character 0, 0, 0 font "" textcolor lt -1 rotate by 90
set yrange [ * : * ] noreverse nowriteback  # (currently [-10.0000:10.0000] )
set y2range [ * : * ] noreverse nowriteback  # (currently [-10.0000:10.0000] )
set zlabel "" 
#set zlabel  offset character 0, 0, 0 font "" textcolor lt -1 norotate
set zrange [ * : * ] noreverse nowriteback  # (currently [-10.0000:10.0000] )
#set cblabel "" 
#set cblabel  offset character 0, 0, 0 font "" textcolor lt -1 rotate by 90
#set cbrange [ * : * ] noreverse nowriteback  # (currently [-10.0000:10.0000] )
set zero 1e-008
set lmargin  -1
set bmargin  -1
set rmargin  -1
set tmargin  -1
set locale "C"
#set pm3d explicit at s
#set pm3d scansautomatic
#set pm3d interpolate 1,1 flush begin noftriangles nohidden3d corners2color mean
#set palette positive nops_allcF maxcolors 0 gamma 1.5 color model RGB 
#set palette rgbformulae 7, 5, 15
#set colorbox default
#set colorbox vertical origin screen 0.9, 0.2, 0 size screen 0.05, 0.6, 0 front bdefault
#set loadpath 
#set fontpath 
#set fit noerrorvariables
#GNUTERM = "win"
#splot x*x+y*y
y=0
plot 1/sqrt((x-2)*(x-2)+y*y)-1/sqrt((x+2)*(x+2)+(y-2)*(y-2))-1/sqrt((x+2)*(x+2)+(y+3)*(y+3)) ti "y=0"
#    EOF