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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