# chebyshev4_commands.txt
#
# Usage:
#  gnuplot < chebyshev4_commands.txt
#
set term png
set output "chebyshev4.png"
set xlabel "<--- X --->"
set ylabel "<--- Lebesgue(X) --->"
set title "Chebyshev4 points for N = 11"
set grid
set style data lines
plot "chebyshev4_data.txt" using 1:2 lw 3 linecolor rgb "red"