Hyperbola: Difference between revisions

From JSXGraph Wiki
No edit summary
No edit summary
 
(2 intermediate revisions by the same user not shown)
Line 6: Line 6:
var board = JXG.JSXGraph.initBoard('jxgbox', { boundingbox: [-5, 5, 5, -5], axis: true, showClearTraces: true});
var board = JXG.JSXGraph.initBoard('jxgbox', { boundingbox: [-5, 5, 5, -5], axis: true, showClearTraces: true});


var h = board.create('hyperbola', [[-1,0], [1,0], [2, Math.sqrt(3)]]);
var h = board.create('hyperbola', [[-Math.sqrt(2),0], [Math.sqrt(2),0], [2, Math.sqrt(3)]]);
var l1 = board.create('line', [0, 1, 1], {dash: 1});
var l1 = board.create('line', [0, 1, 1], {dash: 1});
var l2 = board.create('line', [0, -1, 1], {dash: 1});
var l2 = board.create('line', [0, -1, 1], {dash: 1});
Line 13: Line 13:
=== The underlying JavaScript code ===
=== The underlying JavaScript code ===
<source lang="javascript">
<source lang="javascript">
<jsxgraph width="500" height="500">
JXG.Options.label.autoPosition = true;
JXG.Options.label.autoPosition = true;
JXG.Options.text.fontSize = 16;
JXG.Options.text.fontSize = 16;
Line 20: Line 19:
var board = JXG.JSXGraph.initBoard('jxgbox', { boundingbox: [-5, 5, 5, -5], axis: true, showClearTraces: true});
var board = JXG.JSXGraph.initBoard('jxgbox', { boundingbox: [-5, 5, 5, -5], axis: true, showClearTraces: true});


var h = board.create('hyperbola', [[-1/Math.sqrt(2),0], [1/Math.sqrt(2),0], [2, Math.sqrt(3)]]);
var h = board.create('hyperbola', [[-Math.sqrt(2),0], [Math.sqrt(2),0], [2, Math.sqrt(3)]]);
var l1 = board.create('line', [0, 1, 1], {dash: 1});
var l1 = board.create('line', [0, 1, 1], {dash: 1});
var l2 = board.create('line', [0, -1, 1], {dash: 1});
var l2 = board.create('line', [0, -1, 1], {dash: 1});

Latest revision as of 19:31, 27 June 2021

The underlying JavaScript code

JXG.Options.label.autoPosition = true;
JXG.Options.text.fontSize = 16;
JXG.Options.line.strokeWidth = 0.8;

var board = JXG.JSXGraph.initBoard('jxgbox', { boundingbox: [-5, 5, 5, -5], axis: true, showClearTraces: true});

var h = board.create('hyperbola', [[-Math.sqrt(2),0], [Math.sqrt(2),0], [2, Math.sqrt(3)]]);
var l1 = board.create('line', [0, 1, 1], {dash: 1});
var l2 = board.create('line', [0, -1, 1], {dash: 1});