// Define the id of your board in BOARDID
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 7, -5],
axis: true
});
var a = board.create('slider', [
[1, 4], [4, 4], [0, 1.5, 3]
], {
name: 'a'
});
var b = board.create('slider', [
[1, 3.5], [4, 3.5], [0, 1, 3]
], {
name: 'b'
});
var c = board.create('curve', [
(theta) => Math.sqrt( (b.Value()**2 * Math.sin(theta)**2 - a.Value()**2 * Math.cos(theta)**2 ) /
(Math.sin(theta)**2 - Math.cos(theta)**2 ) ),
[0, 0],
0, 2 * Math.PI
], {
strokeWidth: 3,
curveType: 'polar'
});
This example is licensed under a Creative Commons Attribution 4.0 International License.
Please note that you have to mention The Center of Mobile Learning with Digital Technology in the credits.
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'your_div_id'; // Insert your id here!
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 7, -5],
axis: true
});
var a = board.create('slider', [
[1, 4], [4, 4], [0, 1.5, 3]
], {
name: 'a'
});
var b = board.create('slider', [
[1, 3.5], [4, 3.5], [0, 1, 3]
], {
name: 'b'
});
var c = board.create('curve', [
(theta) => Math.sqrt( (b.Value()**2 * Math.sin(theta)**2 - a.Value()**2 * Math.cos(theta)**2 ) /
(Math.sin(theta)**2 - Math.cos(theta)**2 ) ),
[0, 0],
0, 2 * Math.PI
], {
strokeWidth: 3,
curveType: 'polar'
});
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; ">
<div id="board-0" class="jxgbox" style="aspect-ratio: 12/ 10; width: 100%;" data-ar="12/ 10"></div>
</div>
<script type = "text/javascript">
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'board-0';
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 7, -5],
axis: true
});
var a = board.create('slider', [
[1, 4], [4, 4], [0, 1.5, 3]
], {
name: 'a'
});
var b = board.create('slider', [
[1, 3.5], [4, 3.5], [0, 1, 3]
], {
name: 'b'
});
var c = board.create('curve', [
(theta) => Math.sqrt( (b.Value()**2 * Math.sin(theta)**2 - a.Value()**2 * Math.cos(theta)**2 ) /
(Math.sin(theta)**2 - Math.cos(theta)**2 ) ),
[0, 0],
0, 2 * Math.PI
], {
strokeWidth: 3,
curveType: 'polar'
});
</script>
<jsxgraph width="100%" aspect-ratio="12/ 10" title="Devil's curve" description="This construction was copied from JSXGraph examples database: https://jsxgraph.uni-bayreuth.de/share/" useGlobalJS="false">
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 7, -5],
axis: true
});
var a = board.create('slider', [
[1, 4], [4, 4], [0, 1.5, 3]
], {
name: 'a'
});
var b = board.create('slider', [
[1, 3.5], [4, 3.5], [0, 1, 3]
], {
name: 'b'
});
var c = board.create('curve', [
(theta) => Math.sqrt( (b.Value()**2 * Math.sin(theta)**2 - a.Value()**2 * Math.cos(theta)**2 ) /
(Math.sin(theta)**2 - Math.cos(theta)**2 ) ),
[0, 0],
0, 2 * Math.PI
], {
strokeWidth: 3,
curveType: 'polar'
});
</jsxgraph>
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'your_div_id'; // Insert your id here!
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 7, -5],
axis: true
});
var a = board.create('slider', [
[1, 4], [4, 4], [0, 1.5, 3]
], {
name: 'a'
});
var b = board.create('slider', [
[1, 3.5], [4, 3.5], [0, 1, 3]
], {
name: 'b'
});
var c = board.create('curve', [
(theta) => Math.sqrt( (b.Value()**2 * Math.sin(theta)**2 - a.Value()**2 * Math.cos(theta)**2 ) /
(Math.sin(theta)**2 - Math.cos(theta)**2 ) ),
[0, 0],
0, 2 * Math.PI
], {
strokeWidth: 3,
curveType: 'polar'
});
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; ">
<div id="board-0" class="jxgbox" style="aspect-ratio: 12/ 10; width: 100%;" data-ar="12/ 10"></div>
</div>
<script type = "text/javascript">
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'board-0';
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 7, -5],
axis: true
});
var a = board.create('slider', [
[1, 4], [4, 4], [0, 1.5, 3]
], {
name: 'a'
});
var b = board.create('slider', [
[1, 3.5], [4, 3.5], [0, 1, 3]
], {
name: 'b'
});
var c = board.create('curve', [
(theta) => Math.sqrt( (b.Value()**2 * Math.sin(theta)**2 - a.Value()**2 * Math.cos(theta)**2 ) /
(Math.sin(theta)**2 - Math.cos(theta)**2 ) ),
[0, 0],
0, 2 * Math.PI
], {
strokeWidth: 3,
curveType: 'polar'
});
</script>
<jsxgraph width="100%" aspect-ratio="12/ 10" title="Devil's curve" description="This construction was copied from JSXGraph examples database: https://jsxgraph.uni-bayreuth.de/share/" useGlobalJS="false">
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 7, -5],
axis: true
});
var a = board.create('slider', [
[1, 4], [4, 4], [0, 1.5, 3]
], {
name: 'a'
});
var b = board.create('slider', [
[1, 3.5], [4, 3.5], [0, 1, 3]
], {
name: 'b'
});
var c = board.create('curve', [
(theta) => Math.sqrt( (b.Value()**2 * Math.sin(theta)**2 - a.Value()**2 * Math.cos(theta)**2 ) /
(Math.sin(theta)**2 - Math.cos(theta)**2 ) ),
[0, 0],
0, 2 * Math.PI
], {
strokeWidth: 3,
curveType: 'polar'
});
</jsxgraph>