Convergence of sequence - Revision history

A WASSERMANN at 09:38, 30 January 2019

2019-01-30T09:38:05Z

← Older revision		Revision as of 09:38, 30 January 2019
Line 77:		Line 77:
	var txtraw = document.getElementById('input').value;		var txtraw = document.getElementById('input').value;
	a_n = board.jc.snippet(txtraw, true, 'n', true);		a_n = board.jc.snippet(txtraw, true, 'n', true);
			seq.dataX = [];
			seq.dataY = [];
	n = parseInt(document.getElementById('startval').value);		n = parseInt(document.getElementById('startval').value);
	approx();		approx();
Line 83:		Line 85:
	var clear_all = function() {		var clear_all = function() {
	clearTimeout(TO);		clearTimeout(TO);
	~~seq.dataX = [];~~
	~~seq.dataY = [];~~
	~~n = 0;~~
	};		};

A WASSERMANN at 09:37, 30 January 2019

2019-01-30T09:37:45Z

← Older revision		Revision as of 09:37, 30 January 2019
Line 36:		Line 36:
	var txtraw = document.getElementById('input').value;		var txtraw = document.getElementById('input').value;
	a_n = board.jc.snippet(txtraw, true, 'n', true);		a_n = board.jc.snippet(txtraw, true, 'n', true);
			seq.dataX = [];
			seq.dataY = [];
	n = parseInt(document.getElementById('startval').value);		n = parseInt(document.getElementById('startval').value);
	approx();		approx();
Line 42:		Line 44:
	var clear_all = function() {		var clear_all = function() {
	clearTimeout(TO);		clearTimeout(TO);
	~~seq.dataX = [];~~
	~~seq.dataY = [];~~
	~~n = 0;~~
	};		};

A WASSERMANN at 17:48, 7 January 2019

2019-01-07T17:48:59Z

← Older revision		Revision as of 17:48, 7 January 2019
Line 53:		Line 53:
	var board = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-3, 8, 50, -8]});		var board = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-3, 8, 50, -8]});
	var seq = board.create('curve', [[], []], {strokeColor: 'blue'});		var seq = board.create('curve', [[], []], {strokeColor: 'blue'});
			var n;

	var seq_add = function() {		var seq_add = function() {
	var ~~n = seq.dataX.length,~~		var val = a_n(n);
	val = a_n(n);
	seq.dataX.push(n);		seq.dataX.push(n);
	seq.dataY.push(val);		seq.dataY.push(val);
			n++;
	};		};

Line 68:		Line 69:
	seq_add();		seq_add();
	board.update();		board.update();
	if (~~seq.dataX.length~~ <= 50) {		if (n <= 50) {
	TO = setTimeout(approx, 500);		TO = setTimeout(approx, 500);
	}		}
Line 77:		Line 78:
	var txtraw = document.getElementById('input').value;		var txtraw = document.getElementById('input').value;
	a_n = board.jc.snippet(txtraw, true, 'n', true);		a_n = board.jc.snippet(txtraw, true, 'n', true);
			n = parseInt(document.getElementById('startval').value);
	approx();		approx();
	}		}
Line 82:		Line 84:
	var clear_all = function() {		var clear_all = function() {
	clearTimeout(TO);		clearTimeout(TO);
	seq.dataX = [0];		seq.dataX = [];
	seq.dataY = [1];		seq.dataY = [];
			n = 0;
	};		};

	</source>		</source>

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

A WASSERMANN at 17:48, 7 January 2019

2019-01-07T17:48:20Z

← Older revision		Revision as of 17:48, 7 January 2019
Line 3:		Line 3:
	<html>		<html>
	<p>		<p>
	nth-element of the sequence: <input type="text" id="input" value="1 / n">		nth-element of the sequence: <input type="text" id="input" value="1 / n">,
	start at <input type="number" id="startval" value="1" style="width:2em"><br />		start at n = <input type="number" id="startval" value="1" style="width:2em"><br />
	<input type="button" value="start" onClick="start_approx()">		<input type="button" value="start" onClick="start_approx()">
	<input type="button" value="stop" onClick="clear_all()">		<input type="button" value="stop" onClick="clear_all()">
Line 36:		Line 36:
	var txtraw = document.getElementById('input').value;		var txtraw = document.getElementById('input').value;
	a_n = board.jc.snippet(txtraw, true, 'n', true);		a_n = board.jc.snippet(txtraw, true, 'n', true);
	n = document.getElementById('startval').value;		n = parseInt(document.getElementById('startval').value);
	approx();		approx();
	}		}

A WASSERMANN at 17:46, 7 January 2019

2019-01-07T17:46:17Z

← Older revision		Revision as of 17:46, 7 January 2019
Line 3:		Line 3:
	<html>		<html>
	<p>		<p>
	nth-element of the sequence: <input type="text" id="input" value="1 / n"~~><br /~~>		nth-element of the sequence: <input type="text" id="input" value="1 / n">
	start at <input type="number" id="startval" value="1" style="width:2em">		start at <input type="number" id="startval" value="1" style="width:2em"><br />
	<input type="button" value="start" onClick="start_approx()">		<input type="button" value="start" onClick="start_approx()">
	<input type="button" value="stop" onClick="clear_all()">		<input type="button" value="stop" onClick="clear_all()">
Line 10:		Line 10:
	<jsxgraph width="500" height="500" box="box">		<jsxgraph width="500" height="500" box="box">
	var board = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-3, 8, 50, -8]});		var board = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-3, 8, 50, -8]});
	var seq = board.create('curve', [[0], [1]], {strokeColor: 'blue'});		var seq = board.create('curve', [[], []], {strokeColor: 'blue'});
			var n;

	var seq_add = function() {		var seq_add = function() {
	var ~~n = seq.dataX.length,~~		var val = a_n(n);
	val = a_n(n);
	seq.dataX.push(n);		seq.dataX.push(n);
	seq.dataY.push(val);		seq.dataY.push(val);
			n++;
	};		};

Line 26:		Line 27:
	seq_add();		seq_add();
	board.update();		board.update();
	if (~~seq.dataX.length~~ <= 50) {		if (n <= 50) {
	TO = setTimeout(approx, 500);		TO = setTimeout(approx, 500);
	}		}
Line 35:		Line 36:
	var txtraw = document.getElementById('input').value;		var txtraw = document.getElementById('input').value;
	a_n = board.jc.snippet(txtraw, true, 'n', true);		a_n = board.jc.snippet(txtraw, true, 'n', true);
			n = document.getElementById('startval').value;
	approx();		approx();
	}		}
Line 40:		Line 42:
	var clear_all = function() {		var clear_all = function() {
	clearTimeout(TO);		clearTimeout(TO);
	seq.dataX = [0];		seq.dataX = [];
	seq.dataY = [1];		seq.dataY = [];
			n = 0;
	};		};

Line 49:		Line 52:
	<source lang="javascript">		<source lang="javascript">
	var board = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-3, 8, 50, -8]});		var board = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-3, 8, 50, -8]});
	var seq = board.create('curve', [[0], [1]], {strokeColor: 'blue'});		var seq = board.create('curve', [[], []], {strokeColor: 'blue'});

	var seq_add = function() {		var seq_add = function() {

A WASSERMANN at 17:42, 7 January 2019

2019-01-07T17:42:34Z

← Older revision		Revision as of 17:42, 7 January 2019
Line 4:		Line 4:
	<p>		<p>
	nth-element of the sequence: <input type="text" id="input" value="1 / n"><br />		nth-element of the sequence: <input type="text" id="input" value="1 / n"><br />
	start at <input type="number" id="startval" value="1" ~~width~~="10">		start at <input type="number" id="startval" value="1" style="width:2em">
	<input type="button" value="start" onClick="start_approx()">		<input type="button" value="start" onClick="start_approx()">
	<input type="button" value="stop" onClick="clear_all()">		<input type="button" value="stop" onClick="clear_all()">

A WASSERMANN at 17:41, 7 January 2019

2019-01-07T17:41:21Z

← Older revision		Revision as of 17:41, 7 January 2019
Line 4:		Line 4:
	<p>		<p>
	nth-element of the sequence: <input type="text" id="input" value="1 / n"><br />		nth-element of the sequence: <input type="text" id="input" value="1 / n"><br />
	start at <input type="number" id="startval" value="1">		start at <input type="number" id="startval" value="1" width="10">
	<input type="button" value="start" onClick="start_approx()">		<input type="button" value="start" onClick="start_approx()">
	<input type="button" value="stop" onClick="clear_all()">		<input type="button" value="stop" onClick="clear_all()">

A WASSERMANN at 17:40, 7 January 2019

2019-01-07T17:40:44Z

← Older revision		Revision as of 17:40, 7 January 2019
Line 3:		Line 3:
	<html>		<html>
	<p>		<p>
	nth-element of the sequence: <input type="text" id="input" value="1 / n">		nth-element of the sequence: <input type="text" id="input" value="1 / n"><br />
			start at <input type="number" id="startval" value="1">
	<input type="button" value="start" onClick="start_approx()">		<input type="button" value="start" onClick="start_approx()">
	<input type="button" value="stop" onClick="clear_all()">		<input type="button" value="stop" onClick="clear_all()">

A WASSERMANN at 08:36, 7 January 2019

2019-01-07T08:36:11Z

← Older revision		Revision as of 08:36, 7 January 2019
Line 1:		Line 1:
	Compute values of the sequence		Compute values of the sequence
	<math> (a_n)_{n\in{\mathbb N}}</math>.		<math> (a_n)_{n\in{\mathbb N}}</math>.
	<html>		<html>

A WASSERMANN at 08:35, 7 January 2019

2019-01-07T08:35:29Z

← Older revision		Revision as of 08:35, 7 January 2019
Line 1:		Line 1:
	Compute values of		Compute values of the sequence
	:<math> (a_n)_{n\in{\mathbb N}}</math>.		<math> (a_n)_{n\in{\mathbb N}}</math>.
	<html>		<html>
	<p>		<p>