Conic sections: Difference between revisions

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Line 1: Line 1:
<jsxgraph width="600" height="400" box="jxgbox1">
<jsxgraph width="600" height="400" box="jxgbox1">
(function(){
var brd1=JXG.JSXGraph.initBoard('jxgbox1',{boundingbox:[-3,3,3,-3], keepaspectratio:true});
var brd1=JXG.JSXGraph.initBoard('jxgbox1',{boundingbox:[-3,3,3,-3], keepaspectratio:true});


Line 6: Line 7:
var C = brd1.create('point',[0,-1]);
var C = brd1.create('point',[0,-1]);
var ell = brd1.create('ellipse',[A,B,C]);
var ell = brd1.create('ellipse',[A,B,C]);
})();
</jsxgraph>
</jsxgraph>


<jsxgraph width="600" height="400" box="jxgbox2">
<jsxgraph width="600" height="400" box="jxgbox2">
(function(){
var brd2=JXG.JSXGraph.initBoard('jxgbox2',{boundingbox:[-3,3,3,-3], keepaspectratio:true});
var brd2=JXG.JSXGraph.initBoard('jxgbox2',{boundingbox:[-3,3,3,-3], keepaspectratio:true});


var A = brd2.create('point',[-1,0]);
var A = brd2.create('point',[-1,0]);
var B = brd2.create('point',[1,0]);
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],[0,4,10]]);
var ell = brd2.create('ellipse',[A,B,function(){return s.Value();}]);
var ell = brd2.create('ellipse',[A,B,function(){return s.Value();}]);
})();
</jsxgraph>
</jsxgraph>


<jsxgraph width="600" height="400" box="jxgbox3">
<jsxgraph width="600" height="400" box="jxgbox3">
(function(){
var brd3=JXG.JSXGraph.initBoard('jxgbox3',{boundingbox:[-3,3,3,-3], keepaspectratio:true});
var brd3=JXG.JSXGraph.initBoard('jxgbox3',{boundingbox:[-3,3,3,-3], keepaspectratio:true});


Line 24: Line 29:
var C = brd3.create('point',[0,-1]);
var C = brd3.create('point',[0,-1]);
var hyp = brd3.create('hyperbola',[A,B,C]);
var hyp = brd3.create('hyperbola',[A,B,C]);
})();
</jsxgraph>
</jsxgraph>


<jsxgraph width="600" height="400" box="jxgbox4">
<jsxgraph width="600" height="400" box="jxgbox4">
(function(){
var brd4=JXG.JSXGraph.initBoard('jxgbox4',{boundingbox:[-3,3,3,-3], keepaspectratio:true});
var brd4=JXG.JSXGraph.initBoard('jxgbox4',{boundingbox:[-3,3,3,-3], keepaspectratio:true});


Line 33: Line 40:
var s = brd4.create('slider',[[-1,-2],[1,-2],[0,0.5,1]]);
var s = brd4.create('slider',[[-1,-2],[1,-2],[0,0.5,1]]);
var hyp = brd4.create('hyperbola',[A,B,function(){return s.Value();}]);
var hyp = brd4.create('hyperbola',[A,B,function(){return s.Value();}]);
})();
</jsxgraph>
</jsxgraph>


<jsxgraph width="600" height="400" box="jxgbox5">
<jsxgraph width="600" height="400" box="jxgbox5">
(function(){
var brd5=JXG.JSXGraph.initBoard('jxgbox5',{boundingbox:[-3,3,3,-3], keepaspectratio:true});
var brd5=JXG.JSXGraph.initBoard('jxgbox5',{boundingbox:[-3,3,3,-3], keepaspectratio:true});


Line 43: Line 52:
var C = brd5.create('point',[0,-1]);
var C = brd5.create('point',[0,-1]);
var hyp = brd5.create('parabola',[C,line]);
var hyp = brd5.create('parabola',[C,line]);
})();
</jsxgraph>
</jsxgraph>

Revision as of 13:07, 21 March 2010

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