$B=q<0(B :
title "<$BI=Bj(B>"
$B$3$3$G(B <$BI=Bj(B> $B$O%0%i%U$NI=Bj$G$9!#$3$NJ8;zNs$O0zMQId$G0O$^$l$F$$$J$1(B
$B$l$P$J$j$^$;$s!#%-!
y=x $B$r(B 'x' $B$H$$$&I=Bj$GI=<($7$^$9(B :
plot x
``glass.dat'' $B$H$$$&%U%!%$%k$r(B '$B2sE>BN$NI=LL(B' $B$H$$$&I=Bj$GI=<($7$^$9(B :
splot "glass.dat" title '$B2sE>BN$NI=LL(B'
x $B$N<+>h$rI=Bj(B ``x^
2'' $B$G!"(B``data.1'' $B$rI=Bj(B '$BB,Dj%G!<%?(B' $B$GI=<($7$^$9(B :
plot x**2 title "x^2", "data.1" t '$BB,Dj%G!<%?(B'