This plot was created with Gnuplot.

# Author: Ika
# Date: 12/23/2014

set term jpeg font 'Times, 18' size 1000,1000
set output 'cartesian_transport01.jpg'
theta = 2*pi/36*0
# The ratio of the height and width of the plot chart is 1/5 = 0.2.
set size ratio 1
set xrange [-1.5:1.5]
set yrange [-1.5:1.5]
# Unit along the axes
set xtics 1
set ytics 1
unset grid

unset label
set key off

set arrow 1 from cos(theta), sin(theta) to cos(theta), sin(theta)+0.5 lw 3 lc rgb "red"
set parametric                              
set trange [-pi:pi]
plot cos(t), sin(t) lc rgb "blue" lw 2

set term x11
set output

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