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| Line 1: |
Line 1: |
| − | <html>
| + | Interactive bass model |
| − | <div id="jxgbox" class="jxgbox" style="height:400px; width:600px;"></div>
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| − | </html>
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| − | | |
| − | <html>
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| − | <script type="text/javascript"charset="UTF-8"src="https://cdn.jsdelivr.net/npm/jsxgraph@1.1.0/distrib/jsxgraphcore.js">
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| − | </script>
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| − | <link rel="stylesheet"type="text/css"href="https://cdn.jsdelivr.net/npm/jsxgraph@1.1.0/distrib/jsxgraph.cs"/>
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| − | </html>
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| − | <html>
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| − | <script>
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| − | var board = CreateBassModelBoard();
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| − | | |
| − | var p_slider = board.create('slider', [[0,-2],[10,-2], [0.0,0.03, 1.0]], {name:'p',size:2}, {withLabel:false});
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| − | var q_slider = board.create('slider', [[0,-5],[10,-5], [0.0,0.32, 1.0]], {name:'q',size:1}, {withLabel:false});
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| − | var M_slider = board.create('slider', [[0,0],[0,200], [0.0,100, 2000]], {name:'Market potential,size:1'}, {withLabel:false});
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| − | | |
| − | CreateBass_cF_fsumGraph(board, M_slider);
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| − | CreateBass_fGraph(board, M_slider);
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| − | | |
| − | function CreateBassModelBoard()
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| − | {
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| − | var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-4, 12, 5, -7], keepaspectratio:true, axis:true, showNavigation:true});
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| − | JXG.removeEvent(board.containerObj, 'mousewheel', board.mouseWheelListener, board);
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| − | JXG.removeEvent(board.containerObj, 'DOMMouseScroll', board.mouseWheelListener, board);
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| − | | |
| − | return board;
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| − | }
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| − | | |
| − | function Bass_cF_fsum(M, p, q, t)
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| − | {
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| − | Value = M * (1 - exp_p_plus_q_times_t (p,q,t)) / (1+((q/p) * exp_p_plus_q_times_t (p,q,t)));
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| − | return Value ;
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| − | }
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| − | | |
| − | function exp_p_plus_q_times_t (p,q,t)
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| − | {
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| − | return Math.exp (-t * (p + q));
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| − | }
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| − | | |
| − | function Bass_f( M, p, q, t)
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| − | {
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| − | Value = M * ((Math.pow(p+q,2)/p) * exp_p_plus_q_times_t (p,q,t) / Math.pow(1+(q/p) * exp_p_plus_q_times_t (p,q,t),2))
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| − | return Value ;
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| − | }
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| − | | |
| − | function CreateBass_fGraph(board, M_slider)
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| − | {
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| − | var bassfunction = board.create
| |
| − | (
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| − | 'functiongraph',
| |
| − | [
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| − | function(x)
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| − | {
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| − | return Bass_f( M_slider.Y(), p_slider.Value(), q_slider.Value(), x);
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| − | },
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| − | 0,
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| − | 20
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| − | ]
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| − | );
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| − | }
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| − | | |
| − | function CreateBass_cF_fsumGraph(board, M_slider)
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| − | {
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| − | var bassfunction = board.create
| |
| − | (
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| − | 'functiongraph',
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| − | [
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| − | function(x)
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| − | {
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| − | return Bass_cF_fsum( M_slider.Y(), p_slider.Value(), q_slider.Value(), x);
| |
| − | },
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| − | 0,
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| − | 20
| |
| − | ]
| |
| − | ,{'strokeColor':'red'}
| |
| − | );
| |
| − | }
| |
| − | </script>
| |
| − | </html>
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| − | | |
| | [[Category:marketing]] | | [[Category:marketing]] |
| | | | |
| | [[Category:Model]] | | [[Category:Model]] |
