# commands04.txt
#
# Usage:
#  gnuplot < commands04.txt
#
set term png
set output "plot04.png"
set xlabel "<---X--->"
set ylabel "<---Y--->"
set title "Data versus Piecewise Linear Interpolant"
set grid
set style data lines
plot "data04.txt" using 1:2 with points pt 7 ps 2 lc rgb "blue",\
     "interp04.txt" using 1:2 lw 3 linecolor rgb "red"