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查看“洛倫茲變換”的源代码
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洛倫茲變換
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{{JSXGraph1}}<html><div id="jxgbox" class="jxgbox" style="width:1050px; height:600px;"></div> <script> var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-14, 14, 14, -0.3], keepAspectRatio:true,axis:true}); var o = board.create('point',[0,0],{name:"O",fixed:true}); var l1 = board.create('line', [0, 1, 1],{fixed:true}); var l2 = board.create('line', [0, -1, 1],{fixed:true}); var l3 = board.create('line', [[14,14],[-14,14]],{fixed:true,visible:0}); var t = board.create('glider', [0, 14, l3],{name:"t"}); var lt = board.create('arrow', [o, t]); var a = board.create('point',[2,6],{name:"A"}); var b = board.create('point',[0,12],{name:"B"}); var c = board.create('point',[0,5.33],{name:"C"}); var d = board.create('point',[0,6.67],{name:"D"}); var s0 = board.create('segment', [o, b]); var s1 = board.create('segment', [o, a]); var s2 = board.create('segment', [a, b]); var v, gama; var lorentz = board.create('transform', [1,0,0, 0,function(){ v = t.X()/t.Y(); gama = (1-v**2)**0.5; return 1/gama; },function(){ v = t.X()/t.Y(); gama = (1-v**2)**0.5; return v/gama; },0,function(){ v = t.X()/t.Y(); gama = (1-v**2)**0.5; return v/gama; },function(){ v = t.X()/t.Y(); gama = (1-v**2)**0.5; return 1/gama; }], {type:'generic'}); lorentz.bindTo([a, b,c,d]); </script> </html>
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洛倫茲變換
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