Draggable exponential function - Revision history

A WASSERMANN at 09:41, 16 February 2016

2016-02-16T09:41:08Z

← Older revision		Revision as of 09:41, 16 February 2016
Line 40:		Line 40:
	</source>		</source>

	<source lang="~~html~~">		<source lang="html4strict">
	<input type="button" onClick="alert('a = ' + (Math.log(A.Y()) / A.X()).toFixed(2))" value="Show value of a" />		<input type="button" onClick="alert('a = ' + (Math.log(A.Y()) / A.X()).toFixed(2))" value="Show value of a" />
	</source>		</source>

A WASSERMANN at 09:40, 16 February 2016

2016-02-16T09:40:32Z

← Older revision		Revision as of 09:40, 16 February 2016
Line 38:		Line 38:
	return "a = " + (Math.log(A.Y()) / A.X()).toFixed(2);		return "a = " + (Math.log(A.Y()) / A.X()).toFixed(2);
	}], {fontSize: 16});		}], {fontSize: 16});
			</source>

			<source lang="html">
			<input type="button" onClick="alert('a = ' + (Math.log(A.Y()) / A.X()).toFixed(2))" value="Show value of a" />
	</source>		</source>

	[[Category:Examples]]		[[Category:Examples]]
	[[Category:Calculus]]		[[Category:Calculus]]

A WASSERMANN at 09:39, 16 February 2016

2016-02-16T09:39:49Z

← Older revision		Revision as of 09:39, 16 February 2016
Line 20:		Line 20:
	}], {fontSize: 16});		}], {fontSize: 16});
	</jsxgraph>		</jsxgraph>
			<html>
			<input type="button" onClick="alert('a = ' + (Math.log(A.Y()) / A.X()).toFixed(2))" value="Show value of a" />
			</html>

	===The JavaScript code===		===The JavaScript code===

A WASSERMANN at 09:37, 16 February 2016

2016-02-16T09:37:52Z

← Older revision		Revision as of 09:37, 16 February 2016
Line 7:		Line 7:

	<jsxgraph width="400" height="400" box="box1">		<jsxgraph width="400" height="400" box="box1">
	var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -1], axis:true});		var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -2], axis:true});

	var A = board.create('point', [1, Math.exp(1)]);		var A = board.create('point', [1, Math.exp(1)]);
Line 24:		Line 24:
	===The JavaScript code===		===The JavaScript code===
	<source lang="javascript">		<source lang="javascript">
	var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -1], axis:true});		var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -2], axis:true});

	var A = board.create('point', [1, Math.exp(1)]);		var A = board.create('point', [1, Math.exp(1)]);

A WASSERMANN at 09:36, 16 February 2016

2016-02-16T09:36:49Z

← Older revision		Revision as of 09:36, 16 February 2016
Line 17:		Line 17:

	var txt = board.create('text', [-3, 10, function () {		var txt = board.create('text', [-3, 10, function () {
	return "a = " + (Math.log(p.Y()) / A.X()).toFixed(2);		return "a = " + (Math.log(A.Y()) / A.X()).toFixed(2);
	}], {fontSize: 16});		}], {fontSize: 16});
	</jsxgraph>		</jsxgraph>
Line 34:		Line 34:

	var txt = board.create('text', [-3, 10, function () {		var txt = board.create('text', [-3, 10, function () {
	return "a = " + (Math.log(p.Y()) / A.X()).toFixed(2);		return "a = " + (Math.log(A.Y()) / A.X()).toFixed(2);
	}], {fontSize: 16});		}], {fontSize: 16});
	</source>		</source>

A WASSERMANN at 09:35, 16 February 2016

2016-02-16T09:35:54Z

← Older revision		Revision as of 09:35, 16 February 2016
Line 1:		Line 1:
	Plot the function		Plot the function
	$$y = e^{ax}$$		:<math> y = e^{ax}</math>
	where the parameter ''a'' is determined by the Point ''A=(x_A, ~~x_Y~~)''.		where the parameter <math>a</math> is determined by the Point <math>A=(x_A, y_A)</math>.

			That means,
			:<math> a = log(y_A) / x_A </math>

	<jsxgraph width="400" height="400" box="box1">		<jsxgraph width="400" height="400" box="box1">
	var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -1], axis:true});		var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -1], axis:true});

	var p = board.create('point', [1, Math.exp(1)]);		var A = board.create('point', [1, Math.exp(1)]);
	var graph = board.create('functiongraph', [		var graph = board.create('functiongraph', [
	function(x) {		function(x) {
	var a = Math.log(p.Y()) / p.X();		var a = Math.log(A.Y()) / A.X();
	return Math.exp(a * x);		return Math.exp(a * x);
	}]);		}]);

	var txt = board.create('text', [-3, 10, function () {		var txt = board.create('text', [-3, 10, function () {
	return "a = " + (Math.log(p.Y()) / p.X()).toFixed(2);		return "a = " + (Math.log(p.Y()) / A.X()).toFixed(2);
	}], {fontSize: 16});		}], {fontSize: 16});
	</jsxgraph>		</jsxgraph>
Line 22:		Line 26:
	var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -1], axis:true});		var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -1], axis:true});

	var p = board.create('point', [1, Math.exp(1)]);		var A = board.create('point', [1, Math.exp(1)]);
	var graph = board.create('functiongraph', [		var graph = board.create('functiongraph', [
	function(x) {		function(x) {
	var a = Math.log(p.Y()) / p.X();		var a = Math.log(A.Y()) / A.X();
	return Math.exp(a * x);		return Math.exp(a * x);
	}]);		}]);

	var txt = board.create('text', [-3, 10, function () {		var txt = board.create('text', [-3, 10, function () {
	return "a = " + (Math.log(p.Y()) / p.X()).toFixed(2);		return "a = " + (Math.log(p.Y()) / A.X()).toFixed(2);
	}], {fontSize: 16});		}], {fontSize: 16});
	</source>		</source>

A WASSERMANN at 09:33, 16 February 2016

2016-02-16T09:33:12Z

← Older revision		Revision as of 09:33, 16 February 2016
Line 1:		Line 1:
	Plot the function		Plot the function
	''y = e^{ax}''		$$y = e^{ax}$$
	where the parameter ''a'' is determined by the Point ''A=(x_A, x_Y)''.		where the parameter ''a'' is determined by the Point ''A=(x_A, x_Y)''.
	<jsxgraph width="400" height="400" box="box1">		<jsxgraph width="400" height="400" box="box1">

A WASSERMANN at 09:32, 16 February 2016

2016-02-16T09:32:55Z

@@ Line 1: / Line 1: @@
 <jsxgraph width="400" height="400" box="box1">
 var board = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 20, 5, -1], axis:true});
@@ Line 13: / Line 16: @@
            }], {fontSize: 16});
 </jsxgraph>
 [[Category:Examples]]
 [[Category:Calculus]]

A WASSERMANN at 09:30, 16 February 2016

2016-02-16T09:30:27Z

← Older revision		Revision as of 09:30, 16 February 2016
Line 9:		Line 9:
	}]);		}]);

	var txt = board.create('text', [-2, 5, function () {		var txt = board.create('text', [-3, 10, function () {
	return "a = " + (Math.log(p.Y()) / p.X()).toFixed(2);		return "a = " + (Math.log(p.Y()) / p.X()).toFixed(2);
	}], {fontSize: 16});		}], {fontSize: 16});

A WASSERMANN at 09:30, 16 February 2016

2016-02-16T09:30:16Z

← Older revision		Revision as of 09:30, 16 February 2016
Line 11:		Line 11:
	var txt = board.create('text', [-2, 5, function () {		var txt = board.create('text', [-2, 5, function () {
	return "a = " + (Math.log(p.Y()) / p.X()).toFixed(2);		return "a = " + (Math.log(p.Y()) / p.X()).toFixed(2);
	}]);		}], {fontSize: 16});
	</jsxgraph>		</jsxgraph>

	[[Category:Examples]]		[[Category:Examples]]
	[[Category:Calculus]]		[[Category:Calculus]]