Tschirnhausen Cubic Catacaustic: Difference between revisions
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], | ], | ||
{strokeWidth:1, strokeColor:'black'}); | {strokeWidth:1, strokeColor:'black'}); | ||
var radpoint = brd.create('point',[function(){ return -a.Value()*8;},0],{name:'radiant point'}); | |||
var cataustic = brd.create('curve', | var cataustic = brd.create('curve', | ||
Revision as of 10:00, 13 January 2011
A semicubical parabola is a curve defined parametrically as
- [math]\displaystyle{ x = t^2 }[/math]
- [math]\displaystyle{ y = at^3 }[/math]
