// Define the id of your board in BOARDID
JXG.Options.label.autoposition = true;
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 5, -5],
axis: true
});
var curve = board.create('implicitcurve', ['-(y**2) + x**3 - 2 * x + 1'], {strokeWidth: 2});
var A = board.create('glider', [-1.5, 0, curve]);
var B = board.create('glider', [0, 1, curve]);
var line = board.create('line', [A, B], {color: 'black', strokeWidth: 1});
var C = board.create('intersection', [line, curve, 2]);
var D = board.create('point', [() => C.X(), () => -C.Y()], {name: '-C = A + B'});
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!
JXG.Options.label.autoposition = true;
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 5, -5],
axis: true
});
var curve = board.create('implicitcurve', ['-(y**2) + x**3 - 2 * x + 1'], {strokeWidth: 2});
var A = board.create('glider', [-1.5, 0, curve]);
var B = board.create('glider', [0, 1, curve]);
var line = board.create('line', [A, B], {color: 'black', strokeWidth: 1});
var C = board.create('intersection', [line, curve, 2]);
var D = board.create('point', [() => C.X(), () => -C.Y()], {name: '-C = A + B'});
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; ">
<div id="board-0" class="jxgbox" style="aspect-ratio: 1 / 1; width: 100%;" data-ar="1 / 1"></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';
JXG.Options.label.autoposition = true;
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 5, -5],
axis: true
});
var curve = board.create('implicitcurve', ['-(y**2) + x**3 - 2 * x + 1'], {strokeWidth: 2});
var A = board.create('glider', [-1.5, 0, curve]);
var B = board.create('glider', [0, 1, curve]);
var line = board.create('line', [A, B], {color: 'black', strokeWidth: 1});
var C = board.create('intersection', [line, curve, 2]);
var D = board.create('point', [() => C.X(), () => -C.Y()], {name: '-C = A + B'});
</script>
<jsxgraph width="100%" aspect-ratio="1 / 1" title="Elliptic curves: group law" description="This construction was copied from JSXGraph examples database: https://jsxgraph.org/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.
*/
JXG.Options.label.autoposition = true;
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 5, -5],
axis: true
});
var curve = board.create('implicitcurve', ['-(y**2) + x**3 - 2 * x + 1'], {strokeWidth: 2});
var A = board.create('glider', [-1.5, 0, curve]);
var B = board.create('glider', [0, 1, curve]);
var line = board.create('line', [A, B], {color: 'black', strokeWidth: 1});
var C = board.create('intersection', [line, curve, 2]);
var D = board.create('point', [() => C.X(), () => -C.Y()], {name: '-C = A + B'});
</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!
JXG.Options.label.autoposition = true;
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 5, -5],
axis: true
});
var curve = board.create('implicitcurve', ['-(y**2) + x**3 - 2 * x + 1'], {strokeWidth: 2});
var A = board.create('glider', [-1.5, 0, curve]);
var B = board.create('glider', [0, 1, curve]);
var line = board.create('line', [A, B], {color: 'black', strokeWidth: 1});
var C = board.create('intersection', [line, curve, 2]);
var D = board.create('point', [() => C.X(), () => -C.Y()], {name: '-C = A + B'});
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; ">
<div id="board-0" class="jxgbox" style="aspect-ratio: 1 / 1; width: 100%;" data-ar="1 / 1"></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';
JXG.Options.label.autoposition = true;
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 5, -5],
axis: true
});
var curve = board.create('implicitcurve', ['-(y**2) + x**3 - 2 * x + 1'], {strokeWidth: 2});
var A = board.create('glider', [-1.5, 0, curve]);
var B = board.create('glider', [0, 1, curve]);
var line = board.create('line', [A, B], {color: 'black', strokeWidth: 1});
var C = board.create('intersection', [line, curve, 2]);
var D = board.create('point', [() => C.X(), () => -C.Y()], {name: '-C = A + B'});
</script>
<jsxgraph width="100%" aspect-ratio="1 / 1" title="Elliptic curves: group law" description="This construction was copied from JSXGraph examples database: https://jsxgraph.org/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.
*/
JXG.Options.label.autoposition = true;
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-5, 5, 5, -5],
axis: true
});
var curve = board.create('implicitcurve', ['-(y**2) + x**3 - 2 * x + 1'], {strokeWidth: 2});
var A = board.create('glider', [-1.5, 0, curve]);
var B = board.create('glider', [0, 1, curve]);
var line = board.create('line', [A, B], {color: 'black', strokeWidth: 1});
var C = board.create('intersection', [line, curve, 2]);
var D = board.create('point', [() => C.X(), () => -C.Y()], {name: '-C = A + B'});
</jsxgraph>