Conic sections - Revision history

Matthias: /* Hyperbola */

2015-03-13T09:12:01Z

Hyperbola

← Older revision		Revision as of 09:12, 13 March 2015
Line 70:		Line 70:
	var A = brd4.create('point',[-1,0]);		var A = brd4.create('point',[-1,0]);
	var B = brd4.create('point',[1,0]);		var B = brd4.create('point',[1,0]);
	var s = brd4.create('slider',[[-1,-2],[1,-2],[0,0.5,1]]);		var s = brd4.create('slider',[[-1,-2],[1,-2],[0,0.5,3]]);
	var hyp = brd4.create('hyperbola',[A,B,function(){return s.Value();}]);		var hyp = brd4.create('hyperbola',[A,B,function(){return s.Value();}]);
	})();		})();
Line 79:		Line 79:
	var A = brd4.create('point',[-1,0]);		var A = brd4.create('point',[-1,0]);
	var B = brd4.create('point',[1,0]);		var B = brd4.create('point',[1,0]);
	var s = brd4.create('slider',[[-1,-2],[1,-2],[0,0.5,1]]);		var s = brd4.create('slider',[[-1,-2],[1,-2],[0,0.5,3]]);
	var hyp = brd4.create('hyperbola',[A,B,function(){return s.Value();}]);		var hyp = brd4.create('hyperbola',[A,B,function(){return s.Value();}]);
	</source>		</source>

2011-01-14T16:08:32Z

Parabola

@@ Line 95: / Line 95: @@
 var C = brd5.create('point',[0,-1]);
 var par = brd5.create('parabola',[C,line]);
 })();
 </jsxgraph>

2011-01-14T16:06:16Z

@@ Line 53: / Line 53: @@
 var C = brd3.create('point',[0,-1]);
 var hyp = brd3.create('hyperbola',[A,B,C]);
 })();
 </jsxgraph>
@@ Line 115: / Line 95: @@
 var C = brd5.create('point',[0,-1]);
 var par = brd5.create('parabola',[C,line]);
 })();
 </jsxgraph>

2011-01-14T16:04:19Z

@@ Line 11: / Line 11: @@
 var C = brd1.create('point',[0,-1]);
 var ell = brd1.create('ellipse',[A,B,C]);
 })();
 </jsxgraph>
@@ Line 73: / Line 53: @@
 var C = brd3.create('point',[0,-1]);
 var hyp = brd3.create('hyperbola',[A,B,C]);
 })();
 </jsxgraph>

2011-01-14T16:02:51Z

← Older revision		Revision as of 16:02, 14 January 2011
Line 13:		Line 13:

	var radpoint = A;		var radpoint = A;
	var reflectionpoint = ~~brd~~.create('glider',[-7,1,ell],{name:'point of reflection'});		var reflectionpoint = brd1.create('glider',[-7,1,ell],{name:'point of reflection'});
	var dir = ~~brd~~.create('segment',[radpoint,reflectionpoint],{strokeWidth:1});		var dir = brd1.create('segment',[radpoint,reflectionpoint],{strokeWidth:1});
	var infty = ~~brd~~.create('point',		var infty = brd1.create('point',
	[		[
	function(){		function(){
Line 28:		Line 28:
	],{name:'', visible:false});		],{name:'', visible:false});

	var reflection = ~~brd~~.create('line',		var reflection = brd1.create('line',
	[reflectionpoint,infty],		[reflectionpoint,infty],
	{strokeWidth:1, straightFirst:false, trace:true});		{strokeWidth:1, straightFirst:false, trace:true});

2011-01-14T16:02:18Z

@@ Line 11: / Line 11: @@
 var C = brd1.create('point',[0,-1]);
 var ell = brd1.create('ellipse',[A,B,C]);
 })();
 </jsxgraph>

2010-03-21T13:17:16Z

@@ Line 1: / Line 1: @@
 <jsxgraph width="600" height="400" box="jxgbox1">
 (function(){
@@ Line 9: / Line 13: @@
 })();
 </jsxgraph>
 <jsxgraph width="600" height="400" box="jxgbox2">
@@ Line 20: / Line 32: @@
 })();
 </jsxgraph>
 <jsxgraph width="600" height="400" box="jxgbox3">
 (function(){
@@ Line 31: / Line 55: @@
 })();
 </jsxgraph>
 <jsxgraph width="600" height="400" box="jxgbox4">
@@ Line 42: / Line 74: @@
 })();
 </jsxgraph>
 <jsxgraph width="600" height="400" box="jxgbox5">
 (function(){
@@ Line 51: / Line 94: @@
 var line = brd5.create('line',[A,B]);
 var C = brd5.create('point',[0,-1]);
-var hyp = brd5.create('parabola',[C,line]);
+var par = brd5.create('parabola',[C,line]);
 })();
 </jsxgraph>
 <jsxgraph width="600" height="400" box="jxgbox6">
 (function(){
 var brd6=JXG.JSXGraph.initBoard('jxgbox6',{boundingbox:[-3,3,3,-3], keepaspectratio:true});
-var A = brd6.create('point',[0.55,1]);
+var A = brd6.create('point',[0.55,0]);
 var B = brd6.create('point',[1,1]);
 var C = brd6.create('point',[2,-1]);
 var D = brd6.create('point',[2,2]);
 var E = brd6.create('point',[0.3,-2]);
-var ell = brd6.create('conic',[A,B,C,D,E]);
+var con = brd6.create('conic',[A,B,C,D,E]);
 })();
 </jsxgraph>

2010-03-21T13:11:35Z

← Older revision		Revision as of 13:11, 21 March 2010
Line 59:		Line 59:
	var brd6=JXG.JSXGraph.initBoard('jxgbox6',{boundingbox:[-3,3,3,-3], keepaspectratio:true});		var brd6=JXG.JSXGraph.initBoard('jxgbox6',{boundingbox:[-3,3,3,-3], keepaspectratio:true});

	var A = brd6.create('point',[-1,1]);		var A = brd6.create('point',[0.55,1]);
	var B = brd6.create('point',[1,1]);		var B = brd6.create('point',[1,1]);
	var C = brd6.create('point',[2,-1]);		var C = brd6.create('point',[2,-1]);
	var D = brd6.create('point',[2,2]);		var D = brd6.create('point',[2,2]);
	var E = brd6.create('point',[0,-2]);		var E = brd6.create('point',[0.3,-2]);
	var ell = brd6.create('conic',[A,B,C,D,E]);		var ell = brd6.create('conic',[A,B,C,D,E]);
	})();		})();
	</jsxgraph>		</jsxgraph>

2010-03-21T13:09:49Z

← Older revision		Revision as of 13:09, 21 March 2010
Line 62:		Line 62:
	var B = brd6.create('point',[1,1]);		var B = brd6.create('point',[1,1]);
	var C = brd6.create('point',[2,-1]);		var C = brd6.create('point',[2,-1]);
	var D = brd6.create('point',[2,1]);		var D = brd6.create('point',[2,2]);
	var E = brd6.create('point',[0,1]);		var E = brd6.create('point',[0,-2]);
	var ell = brd6.create('conic',[A,B,C]);		var ell = brd6.create('conic',[A,B,C,D,E]);
	})();		})();
	</jsxgraph>		</jsxgraph>

2010-03-21T13:08:58Z

@@ Line 52: / Line 52: @@
 var C = brd5.create('point',[0,-1]);
 var hyp = brd5.create('parabola',[C,line]);
 })();
 </jsxgraph>