home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The C Users' Group Library 1994 August
/
wc-cdrom-cusersgrouplibrary-1994-08.iso
/
vol_300
/
334_02
/
polar.dem
< prev
next >
Wrap
Text File
|
1991-02-05
|
920b
|
51 lines
#
# Show some of the new polar capabilities.
#
set polar
set dummy x
set samples 160
set xrange [0:2*pi]
set title "Three circles (with aspect ratio distortion)"
plot .5,1,1.5
pause -1 "Hit return"
set title ""
plot cos(2*x)
pause -1 "Hit return"
plot 2*sqrt(cos(x)),-2*sqrt(cos(x))
pause -1 "Hit return"
set offset pi/4,pi/4,0,0
plot sin(4*x),cos(4*x)
set offset 0,0,0,0
pause -1 "Hit return"
set yrange [-5:5]
plot x/cos(3*x)
pause -1 "Hit return"
set autoscale
plot 1-sin(x)
pause -1 "Hit return"
set xrange [0:12*pi]
plot 2*x
pause -1 "Hit return"
butterfly(x)=exp(cos(x))-2*cos(4*x)+sin(x/12)**5
set samples 800
pause 0 "This is a big one (many samples), be patient..."
set title "Butterfly"
set nokey
plot butterfly(x)
pause -1 "Hit return"
# undo what we've done above
set nopolar
set samples 160
set autoscale xy
set title ""
set offset 0,0,0,0
set key