Tschirnhausen Cubic Catacaustic: Difference between revisions

Revision as of 10:02, 13 January 2011

A semicubical parabola is a curve defined parametrically as

[math]\displaystyle{ x = t^2 }[/math]

[math]\displaystyle{ y = at^3 }[/math]

@@ Line 14: / Line 14: @@
               [function(t){ return a.Value()*3*(t*t-3);},
                function(t){ return a.Value()*t*(t*t-3);},
-               -2, 2
+               -5, 5
               ],
               {strokeWidth:1, strokeColor:'black'});