Polynomial regression I - Revision history

A WASSERMANN at 17:04, 21 November 2013

2013-11-21T17:04:52Z

← Older revision		Revision as of 17:04, 21 November 2013
Line 54:		Line 54:
	var s = brd.create('slider',[[10,70],[80,70],[0,1,1]],{name:'scale'});		var s = brd.create('slider',[[10,70],[80,70],[0,1,1]],{name:'scale'});
	var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});		var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});
	~~var curve = brd.create('curve',[[],[]],{strokeColor:'gray',dash:2});~~
	curve.updateDataArray = function() {		curve.updateDataArray = function() {
	var i, len = data.length;		var i, len = data.length;
	this.dataX = datax.slice(0,len);		this.dataX = datax.slice(0,len);
	for(i=0;i<len;i++) this.dataY[i] = s.Value()*data[i];		for (i=0; i<len; i++) {
			this.dataY[i] = s.Value()*data[i];
			}
	}		}
	curve.update(); // Needed for correct glider position		curve.update(); // Needed for correct glider position

	var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);		var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);
	var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'~~black~~'});		var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'blue', strokeWidth:4});
	brd.create('glider',[100,30,reg],{strokeColor:'black'});		brd.create('glider',[100,30,reg],{strokeColor:'black'});

2013-11-21T17:03:26Z

← Older revision		Revision as of 17:03, 21 November 2013
Line 29:		Line 29:

	var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);		var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);
	var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'blue', strokeWidth:3});		var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'blue', strokeWidth:4});
	brd.create('glider',[100,30,reg],{strokeColor:'black'});		brd.create('glider',[100,30,reg],{strokeColor:'black'});

2013-11-21T17:03:07Z

← Older revision		Revision as of 17:03, 21 November 2013
Line 18:		Line 18:
	var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});		var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});

	var curve = brd.create('curve',[[],[]],{strokeColor:'gray',strokeWidth:3, dash:2});		var curve = brd.create('curve',[[],[]],{strokeColor:'gray',strokeWidth:2, dash:2});
	curve.updateDataArray = function() {		curve.updateDataArray = function() {
	var i, len = data.length;		var i, len = data.length;

2013-11-21T17:02:34Z

← Older revision		Revision as of 17:02, 21 November 2013
Line 18:		Line 18:
	var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});		var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});

	var curve = brd.create('curve',[[],[]],{strokeColor:'gray',dash:2});		var curve = brd.create('curve',[[],[]],{strokeColor:'gray',strokeWidth:3, dash:2});
	curve.updateDataArray = function() {		curve.updateDataArray = function() {
	var i, len = data.length;		var i, len = data.length;
Line 29:		Line 29:

	var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);		var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);
	var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'~~black~~'});		var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'blue', strokeWidth:3});
	brd.create('glider',[100,30,reg],{strokeColor:'black'});		brd.create('glider',[100,30,reg],{strokeColor:'black'});

2013-08-07T12:55:09Z

← Older revision		Revision as of 12:55, 7 August 2013
Line 26:		Line 26:
	}		}
	}		}
			curve.update(); // Needed for correct glider position

	~~//curve.update(); // Needed for correct glider position~~

	/*
	var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);		var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);
	var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'black'});		var reg = brd.create('functiongraph',[regressionPolynomial],{strokeColor:'black'});
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	],		],
	{strokeColor:'black',fontSize:18});		{strokeColor:'black',fontSize:18});
	*/
	brd.unsuspendUpdate();		brd.unsuspendUpdate();
	</jsxgraph>		</jsxgraph>

2013-08-07T12:54:50Z

← Older revision		Revision as of 12:54, 7 August 2013
Line 19:		Line 19:

	var curve = brd.create('curve',[[],[]],{strokeColor:'gray',dash:2});		var curve = brd.create('curve',[[],[]],{strokeColor:'gray',dash:2});
	/*
	curve.updateDataArray = function() {		curve.updateDataArray = function() {
	var i, len = data.length;		var i, len = data.length;
Line 27:		Line 26:
	}		}
	}		}
	*/
	~~curve.dataX = [1, 100,200];~~
	~~curve.dataY = [3, 25,25];~~

	//curve.update(); // Needed for correct glider position		//curve.update(); // Needed for correct glider position

	/*		/*
	var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);		var regressionPolynomial = JXG.Math.Numerics.regressionPolynomial(deg, datax, curve.dataY);
Line 43:		Line 40:
	*/		*/
	brd.unsuspendUpdate();		brd.unsuspendUpdate();
	~~curve.dataX.length = 0;~~
	~~curve.dataY.length = 0;~~
	~~brd.update();~~

	</jsxgraph>		</jsxgraph>

2013-08-07T12:40:05Z

2013-08-07T12:39:42Z

← Older revision		Revision as of 12:39, 7 August 2013
Line 29:		Line 29:
	*/		*/
	curve.dataX = [1, 100,200];		curve.dataX = [1, 100,200];
	curve.dataY = [3, 25,50];		curve.dataY = [3, 25,25];

	//curve.update(); // Needed for correct glider position		//curve.update(); // Needed for correct glider position
Line 43:		Line 43:
	*/		*/
	brd.unsuspendUpdate();		brd.unsuspendUpdate();
	//curve.dataX.length = 0;		curve.dataX.length = 0;
	//curve.dataY.length = 0;		curve.dataY.length = 0;
	//brd.update();		//brd.update();

2013-08-07T12:39:24Z

← Older revision		Revision as of 12:39, 7 August 2013
Line 29:		Line 29:
	*/		*/
	curve.dataX = [1, 100,200];		curve.dataX = [1, 100,200];
	curve.dataY = [3, 25,0];		curve.dataY = [3, 25,50];

	//curve.update(); // Needed for correct glider position		//curve.update(); // Needed for correct glider position

2013-08-07T12:39:10Z

← Older revision		Revision as of 12:39, 7 August 2013
Line 18:		Line 18:
	var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});		var deg = brd.create('slider',[[10,90],[80,90],[1,1,10]],{name:'degree',snapWidth:1});

	var curve = brd.create('curve',[[~~1,100,200~~],[~~0,25,1~~]],{strokeColor:'gray',dash:2});		var curve = brd.create('curve',[[],[]],{strokeColor:'gray',dash:2});
	/*		/*
	curve.updateDataArray = function() {		curve.updateDataArray = function() {
Line 28:		Line 28:
	}		}
	*/		*/
	//curve.dataX = [1, 100,200];		curve.dataX = [1, 100,200];
	//curve.dataY = [3, 25,0];		curve.dataY = [3, 25,0];

	//curve.update(); // Needed for correct glider position		//curve.update(); // Needed for correct glider position