home *** CD-ROM | disk | FTP | other *** search
- "Interesting parametric expressions to plot in a 2D-plot window"
-
- "A bow tie:"
-
- [t*(t^2-1)/(t^2+1),2*(t^2-1)/(t^2+1)]
-
- "A curvilinear diamond:"
-
- [2*COS(t)^3,2*SIN(t)^3]
-
- "An infinity:"
-
- [3*SIN(t),2*SIN(2*t)]
-
- "A pretzel:"
-
- [t/pi*(12*(t/pi)^2-9),((t/pi)^2-1)*16*(t/pi)^2+2]
-
- "A fish (Move the cross to where its eye should be):"
-
- [3/2*COS(t)*(COS(t)+1),2*SIN(2*t)]
-
- "An embellished valentine:"
-
- [SIN(2*t)+SIN(t),-COS(2*t)-COS(t)]
-
- "A spiral:"
-
- [EXP(t/4)*SIN(2*t),EXP(t/4)*COS(2*t)]
-
- "Twin spirals:"
-
- [2/3*t*COS(7/2*t),2/3*t*SIN(7/2*t)]
-
- "A slinky gone bad:"
-
- [t-11/10*SIN(3*t),-22/10*COS(3*t)]