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()*3* | + | [function(t){ return a.Value()*(3*t*t-1);}, |
function(t){ return a.Value()*t*(t*t-3);}, | function(t){ return a.Value()*t*(t*t-3);}, | ||
-2, 2 | -2, 2 |
Revision as of 10:58, 13 January 2011
A semicubical parabola is a curve defined parametrically as
- [math] x = t^2 [/math]
- [math] y = at^3 [/math]