applica7

scrivere con notes, salvare come applica6c.txt, richiamare con open..

# applica6c.txt (inserire x=1)

set yrange [0:40]
x=x+0
f=x*2
print x,f
plot f with impulses x ,f+2 with linesp lt x pt x+1
pause 2000
x=x+1
if (f<=20) reread