Difference between revisions of "Tschirnhausen Cubic Catacaustic"
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var cubic = brd.create('curve', | var cubic = brd.create('curve', | ||
| − | [function(t){ return | + | [function(t){ return a.Value()*3*(t*t-1);}, |
| − | function(t){ return a.Value()*t*( | + | function(t){ return a.Value()*t*(t*t-3);}, |
-2, 2 | -2, 2 | ||
], | ], | ||
Revision as of 10:57, 13 January 2011
A semicubical parabola is a curve defined parametrically as
- [math] x = t^2 [/math]
- [math] y = at^3 [/math]
