#!/usr/bin/gnuplot

reset

# EPS output {{{
set terminal postscript eps enhanced
set output "drahy.eps"

set lmargin 5
set rmargin 0
#set bmargin 0
#set tmargin 0

a  = 1
v0 = 1

s(t) = 0.5*a*t*t  +  v0*t
v(t) = v0 + a*t

set xlabel "x(t)"
set ylabel "v(t)"
set xtics 1
set ytics 1

set parametric

set multiplot
set size 1.0,1.0

# 1. stlpec
set lmargin 5
set rmargin 2
set origin 0.0,0.66
set size 0.33,0.33
set title "a  = -1, v_0 = -1"
a  = -1
v0 = -1
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

set origin 0.0,0.33
set size 0.33,0.33
set title "a  = -1, v_0 = 0"
a  = -1
v0 = 0
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

set origin 0.0,0.0
set size 0.33,0.33
set title "a  = -1, v_0 = 1"
a  = -1
v0 = 1
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

# 2. stlpec
set lmargin 5
set rmargin 1
set size 0.33,0.33
set origin 0.33,0.66
set title "a  = 0, v_0 = -1"
a  = 0
v0 = -1
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

set size 0.33,0.33
set origin 0.33,0.33
set title "a  = 0, v_0 = 0"
a  = 0
v0 = 0
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

set size 0.33,0.33
set origin 0.33,0.0
set title "a  = 0, v_0 = 1"
a  = 0
v0 = 1
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

# 3. stlpec
set lmargin 5
set rmargin 0
set size 0.33,0.33
set origin 0.67,0.66
set title "a  = 1, v_0 = -1"
a  = 1
v0 = -1
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

set size 0.33,0.33
set origin 0.67,0.33
set title "a  = 1, v_0 = 0"
a  = 1
v0 = 0
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

set size 0.33,0.33
set origin 0.67,0.0
set title "a  = 1, v_0 = 1"
a  = 1
v0 = 1
plot [t=0:4] [-2:2] [-2:2] s(t),v(t) notitle with line, 0,v0 notitle w p

# }}}

# set nomultiplot -- allow terminal change
set nomultiplot

# vim600: fdm=marker fdc=3