Logarithmic spiral - Revision history

A WASSERMANN at 12:50, 28 June 2019

2019-06-28T12:50:23Z

← Older revision		Revision as of 12:50, 28 June 2019
Line 5:		Line 5:
	with real numbers <math>a</math> and <math>b</math>.		with real numbers <math>a</math> and <math>b</math>.
	<jsxgraph box="jsxgbox" width="500" height="500">		<jsxgraph box="jsxgbox" width="500" height="500">
	board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]~~, axis:true~~});		board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});
	var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});
	var c = board.create('curve', [function(phi){return a.Value()Math.exp(b.Value()phi); }, [0, 0], 0, ~~0.5~~*Math.PI],		var c = board.create('curve', [function(phi){return a.Value()Math.exp(b.Value()phi); }, [0, 0], 0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.create('glider', [c]);		var g = board.create('glider', [c]);

A WASSERMANN at 12:49, 28 June 2019

2019-06-28T12:49:08Z

← Older revision		Revision as of 12:49, 28 June 2019
Line 8:		Line 8:
	var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});
	var c = board.create('curve', [function(phi){return a.Value()Math.exp(b.Value()phi); }, [0, 0], 0, 8*Math.PI],		var c = board.create('curve', [function(phi){return a.Value()Math.exp(b.Value()phi); }, [0, 0], 0, 0.5*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.create('glider', [c]);		var g = board.create('glider', [c]);

A WASSERMANN at 12:48, 28 June 2019

2019-06-28T12:48:07Z

← Older revision		Revision as of 12:48, 28 June 2019
Line 5:		Line 5:
	with real numbers <math>a</math> and <math>b</math>.		with real numbers <math>a</math> and <math>b</math>.
	<jsxgraph box="jsxgbox" width="500" height="500">		<jsxgraph box="jsxgbox" width="500" height="500">
	board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});		board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10], axis:true});
	var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});

A WASSERMANN at 12:46, 28 June 2019

2019-06-28T12:46:54Z

← Older revision		Revision as of 12:46, 28 June 2019
Line 7:		Line 7:
	board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});		board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});
	var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.create('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});
	var c = board.create('curve', [function(phi){return a.Value()Math.exp(b.Value()phi); }, [0, 0], 0, 8*Math.PI],		var c = board.create('curve', [function(phi){return a.Value()Math.exp(b.Value()phi); }, [0, 0], 0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
Line 19:		Line 19:
	board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});		board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});
	var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.create('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[-1,0.15,1]],{name:'b'});
	var c = board.create('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0],0, 8*Math.PI],		var c = board.create('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0],0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});

A WASSERMANN at 07:56, 25 June 2015

2015-06-25T07:56:01Z

← Older revision		Revision as of 07:56, 25 June 2015
Line 8:		Line 8:
	var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.create('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});
	var c = board.create('curve', [function(phi){return a.Value()~~JXG.~~Math.~~pow~~(~~Math.E,~~b.Value()phi); }, [0, 0], 0, 8*Math.PI],		var c = board.create('curve', [function(phi){return a.Value()Math.exp(b.Value()phi); }, [0, 0], 0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.create('glider', [c]);		var g = board.create('glider', [c]);

A WASSERMANN at 07:53, 25 June 2015

2015-06-25T07:53:27Z

← Older revision		Revision as of 07:53, 25 June 2015
Line 6:		Line 6:
	<jsxgraph box="jsxgbox" width="500" height="500">		<jsxgraph box="jsxgbox" width="500" height="500">
	board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});		board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});
	var a = board.~~createElement~~('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.~~createElement~~('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});
	var c = board.~~createElement~~('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],		var c = board.create('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.~~createElement~~('glider', [c]);		var g = board.create('glider', [c]);
	var t = board.~~createElement~~('tangent', [g], {dash:2,strokeColor:'#a612a9'});		var t = board.create('tangent', [g], {dash:2,strokeColor:'#a612a9'});

	</jsxgraph>		</jsxgraph>
Line 18:		Line 18:
	<source lang="javascript">		<source lang="javascript">
	board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});		board = JXG.JSXGraph.initBoard('jsxgbox', {boundingbox: [-10, 10, 10, -10]});
	var a = board.~~createElement~~('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});		var a = board.create('slider', [[1,-1],[5,-1],[0,0.3,1]],{name:'a'});
	var b = board.~~createElement~~('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});		var b = board.create('slider', [[1,-2],[5,-2],[0,0.15,1]],{name:'b'});
	var c = board.~~createElement~~('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0],0, 8*Math.PI],		var c = board.create('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0],0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.~~createElement~~('glider', [c]);		var g = board.create('glider', [c]);
	var t = board.~~createElement~~('tangent', [g], {dash:2,strokeColor:'#a612a9'});		var t = board.create('tangent', [g], {dash:2,strokeColor:'#a612a9'});
	</source>		</source>

	[[Category:Examples]]		[[Category:Examples]]
	[[Category:Curves]]		[[Category:Curves]]

A WASSERMANN at 11:54, 7 August 2013

2013-08-07T11:54:42Z

← Older revision		Revision as of 11:54, 7 August 2013
Line 11:		Line 11:
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.createElement('glider', [c]);		var g = board.createElement('glider', [c]);
	//var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});		var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});

	</jsxgraph>		</jsxgraph>

A WASSERMANN at 11:44, 7 August 2013

2013-08-07T11:44:21Z

← Older revision		Revision as of 11:44, 7 August 2013
Line 10:		Line 10:
	var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],		var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.createElement('glider', [c]~~, {face:'o'}~~);		var g = board.createElement('glider', [c]);
	//var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});		//var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});

A WASSERMANN at 11:43, 7 August 2013

2013-08-07T11:43:10Z

← Older revision		Revision as of 11:43, 7 August 2013
Line 10:		Line 10:
	var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],		var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.createElement('glider', [c], {face:'[]'});		var g = board.createElement('glider', [c], {face:'o'});
	//var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});		//var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});

A WASSERMANN at 11:42, 7 August 2013

2013-08-07T11:42:20Z

← Older revision		Revision as of 11:42, 7 August 2013
Line 10:		Line 10:
	var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],		var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0], 0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.createElement('glider', [c]);		var g = board.createElement('glider', [c], {face:'[]'});
	//var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});		//var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});

Line 22:		Line 22:
	var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0],0, 8*Math.PI],		var c = board.createElement('curve', [function(phi){return a.Value()JXG.Math.pow(Math.E,b.Value()phi); }, [0, 0],0, 8*Math.PI],
	{curveType:'polar', strokewidth:4});		{curveType:'polar', strokewidth:4});
	var g = board.createElement('glider', [c]~~, {type:'[]'~~);		var g = board.createElement('glider', [c]);
	var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});		var t = board.createElement('tangent', [g], {dash:2,strokeColor:'#a612a9'});
	</source>		</source>