Difference between revisions of "Tschirnhausen Cubic Catacaustic"
From JSXGraph Wiki
Jump to navigationJump to searchA WASSERMANN (talk | contribs) |
A WASSERMANN (talk | contribs) |
||
| Line 12: | Line 12: | ||
var cubic = brd.create('curve', | var cubic = brd.create('curve', | ||
| − | [function(t){ return a.Value()*( | + | [function(t){ return 3*a.Value()*(3-3*t*t);}, |
function(t){ return a.Value()*t*(3-t*t);}, | function(t){ return a.Value()*t*(3-t*t);}, | ||
-2, 2 | -2, 2 | ||
Revision as of 11:56, 13 January 2011
A semicubical parabola is a curve defined parametrically as
- [math] x = t^2 [/math]
- [math] y = at^3 [/math]
