Difference between revisions of "Tschirnhausen Cubic Catacaustic"

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Line 17: Line 17:
 
             ],
 
             ],
 
             {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 12:00, 13 January 2011

A semicubical parabola is a curve defined parametrically as

[math] x = t^2 [/math]
[math] y = at^3 [/math]

References

The underlying JavaScript code