Conic sections: Difference between revisions
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var brd2=JXG.JSXGraph.initBoard('jxgbox2',{boundingbox:[-3,3,3,-3], keepaspectration:true}); | var brd2=JXG.JSXGraph.initBoard('jxgbox2',{boundingbox:[-3,3,3,-3], keepaspectration:true}); | ||
var A = brd2.create('point',[-1, | var A = brd2.create('point',[-1,0]); | ||
var B = brd2.create('point',[1, | var B = brd2.create('point',[1,0]); | ||
var s = brd2.create('slider',[[-1,-2],[1,-2],[0,5,10]]); | var s = brd2.create('slider',[[-1,-2],[1,-2],[0,5,10]]); | ||
var ell = brd2.create('ellipse',[A,B,function(){return s.Value();}]); | var ell = brd2.create('ellipse',[A,B,function(){return s.Value();}]); | ||
</jsxgraph> | |||
<jsxgraph width="600" height="400" box="jxgbox3"> | |||
var brd3=JXG.JSXGraph.initBoard('jxgbox1',{boundingbox:[-3,3,3,-3], keepaspectration:true}); | |||
var A = brd3.create('point',[-1,1]); | |||
var B = brd3.create('point',[1,1]); | |||
var C = brd3.create('point',[0,-1]); | |||
var hyp = brd3.create('hyperbola',[A,B,C]); | |||
</jsxgraph> | |||
<jsxgraph width="600" height="400" box="jxgbox4"> | |||
var brd4=JXG.JSXGraph.initBoard('jxgbox2',{boundingbox:[-3,3,3,-3], keepaspectration:true}); | |||
var A = brd4.create('point',[-1,0]); | |||
var B = brd4.create('point',[1,0]); | |||
var s = brd4.create('slider',[[-1,-2],[1,-2],[0,5,10]]); | |||
var hyp = brd4.create('hyperbola',[A,B,function(){return s.Value();}]); | |||
</jsxgraph> | |||
<jsxgraph width="600" height="400" box="jxgbox5"> | |||
var brd5=JXG.JSXGraph.initBoard('jxgbox1',{boundingbox:[-3,3,3,-3], keepaspectration:true}); | |||
var A = brd5.create('point',[-1,1]); | |||
var B = brd5.create('point',[1,1]); | |||
var line = brd5.create('line',[A,B]); | |||
var C = brd5.create('point',[0,-1]); | |||
var hyp = brd5.create('parabola',[line,C]); | |||
</jsxgraph> | </jsxgraph> |