<iframe src="https://jsxgraph.org/share/iframe/cubic-spline-interpolation" style="border: 1px solid black; overflow: hidden; width: 550px; aspect-ratio: 55 / 65;" name="JSXGraph example: Cubic spline interpolation" allowfullscreen ></iframe>
<input type="button" value="Add point" onClick="addPoint()"> <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 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, 10, 7, -5], axis:true}); // Create 4 initial points var p = []; p[0] = board.create('point', [-1,2], {size: 4}); p[1] = board.create('point', [0,-1], {size: 4}); p[2] = board.create('point', [1,0], {size: 4}); p[3] = board.create('point', [2,1], {size: 4}); // Cubic spline var c = board.create('spline', p, {strokeWidth:3}); // Add tangent var g = board.create('glider', [1.5, 0, c], {name:'', face:'<>', color: 'blue'}); var t = board.create('tangent', [g], {dash:2, strokeColor:'#aa0000'}); var addPoint = function() { p.push(board.create('point', [(Math.random() - 0.5) * 10, (Math.random() - 0.5) * 3], {size: 4})); board.update(); board.update(); } </script>
/* This example is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/by/4.0/ Please note 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, 10, 7, -5], axis:true}); // Create 4 initial points var p = []; p[0] = board.create('point', [-1,2], {size: 4}); p[1] = board.create('point', [0,-1], {size: 4}); p[2] = board.create('point', [1,0], {size: 4}); p[3] = board.create('point', [2,1], {size: 4}); // Cubic spline var c = board.create('spline', p, {strokeWidth:3}); // Add tangent var g = board.create('glider', [1.5, 0, c], {name:'', face:'<>', color: 'blue'}); var t = board.create('tangent', [g], {dash:2, strokeColor:'#aa0000'}); var addPoint = function() { p.push(board.create('point', [(Math.random() - 0.5) * 10, (Math.random() - 0.5) * 3], {size: 4})); board.update(); board.update(); }
<input type="button" value="Add point" onClick="addPoint()">
// Define the id of your board in BOARDID const board = JXG.JSXGraph.initBoard(BOARDID, {boundingbox: [-5, 10, 7, -5], axis:true}); // Create 4 initial points var p = []; p[0] = board.create('point', [-1,2], {size: 4}); p[1] = board.create('point', [0,-1], {size: 4}); p[2] = board.create('point', [1,0], {size: 4}); p[3] = board.create('point', [2,1], {size: 4}); // Cubic spline var c = board.create('spline', p, {strokeWidth:3}); // Add tangent var g = board.create('glider', [1.5, 0, c], {name:'', face:'<>', color: 'blue'}); var t = board.create('tangent', [g], {dash:2, strokeColor:'#aa0000'}); var addPoint = function() { p.push(board.create('point', [(Math.random() - 0.5) * 10, (Math.random() - 0.5) * 3], {size: 4})); board.update(); board.update(); }
This example is licensed under a Creative Commons Attribution 4.0 International License. Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits.