Image:Airy plot.png

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Plot of the Airy functions Ai(x) in red and Bi(x) in green.

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This plot was produced by running Gnuplot on a file with the following contents.

set terminal png font "/usr/share/fonts/truetype/ttf-bitstream-vera/Vera.ttf" size 700,450 crop
set output "Airy_plot.png"
set key off
unset border
set xzeroaxis linetype -1 linewidth 0.5
set yzeroaxis linetype -1 linewidth 0.5
set xtics axis 
set ytics axis
set xrange [-15:5]
set yrange [-0.5:1.3]
plot 'airy.txt' using 1:2 with lines linewidth 4, \
     'airy.txt' using 1:3 with lines linewidth 4

The file 'airy.txt' contains the values of the Airy functions, and can be produced by the following Octave commands.

xs = linspace(-15, 5, 1000);
tbl = [ xs; airy(0,xs); airy(2,xs) ];
tbl = tbl';
save -ascii airy.txt tbl;

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