Lissajous curves: Difference between revisions

Revision as of 10:21, 6 March 2009

Lissajous curve (Lissajous figure or Bowditch curve) is the graph of the system of parametric equations

[math]\displaystyle{ x=A\sin(at+\delta),\quad y=B\sin(bt). }[/math]

@@ Line 5: / Line 5: @@
 <jsxgraph board="brd" width="600" height="500">
 var brd = JXG.JSXGraph.initBoard('jxgbox',{axis:true,originX:300,originY:250,unitX:30,unitY:30});
-var a = brd.createElement('slider',[[2,8],[6,8],[0,3,6]]); brd.createElement('text',[1,8,'a']);
+var a = brd.createElement('slider',[[2,8],[6,8],[0,3,6]]); brd.createElement('text',[1,8,'a:']);
-var b = brd.createElement('slider',[[2,7],[6,7],[0,2,6]]); brd.createElement('text',[1,7,'b']);
+var b = brd.createElement('slider',[[2,7],[6,7],[0,2,6]]); brd.createElement('text',[1,7,'b:']);
-var A = brd.createElement('slider',[[2,6],[6,6],[0,3,6]]); brd.createElement('text',[1,6,'A']);
+var A = brd.createElement('slider',[[2,6],[6,6],[0,3,6]]); brd.createElement('text',[1,6,'A:']);
-var B = brd.createElement('slider',[[2,5],[6,5],[0,3,6]]); brd.createElement('text',[1,5,'B']);
+var B = brd.createElement('slider',[[2,5],[6,5],[0,3,6]]); brd.createElement('text',[1,5,'B:']);
-var delta = brd.createElement('slider',[[2,4],[6,4],[0,0,Math.PI]]); brd.createElement('text',[1,4,'&delta;']);
+var delta = brd.createElement('slider',[[2,4],[6,4],[0,0,Math.PI]]); brd.createElement('text',[1,4,'&delta;:']);
 var c = brd.createElement('curve',[
@@ Line 16: / Line 16: @@
 , 2*Math.PI],{strokeColor:'#aa2233',strokeWidth:3});
 </jsxgraph>
 [[Category:Examples]]
 [[Category:Curves]]