그림:BesselY plot.svg
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BesselY_plot.svg (76KB, MIME 종류: image/svg+xml
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[edit] Summary
[edit] Summary
Plot of the Bessel functions of 2nd kind Y0(x) in red, Y1(x) in green and Y2(x) in blue. The plot was produced running Gnuplot on the following code:
set terminal svg set output "BesselY_plot.svg" set title "Bessel functions of 2nd kind" set xlabel "x" set ylabel "Y_n(x)" set xrange [0:20] set yrange [-2:1] set xzeroaxis linetype -1 linewidth 0.5 set yzeroaxis linetype -1 linewidth 0.5 set xtics axis set ytics axis plot "besselY.dat" using 1:2 title "Y_0(x)" with lines linewidth 2, \ "besselY.dat" using 1:3 title "Y_1(x)" with lines linewidth 2, \ "besselY.dat" using 1:4 title "Y_2(x)" with lines linewidth 2
the file "besselY.dat" contains the values of the Bessel functions and can be produced with the following Octave commands:
t = 0:0.01:20; Y = [ t; bessely(0,t); bessely(1,t); bessely(2,t) ]; Y = Y'; save -ascii "besselY.dat" Y;
It was then post-processed with Inkscape. I made this picture by myself.
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