Difference between revisions of "Conic sections"

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Line 18: Line 18:
  
 
<jsxgraph width="600" height="400" box="jxgbox3">
 
<jsxgraph width="600" height="400" box="jxgbox3">
var brd3=JXG.JSXGraph.initBoard('jxgbox1',{boundingbox:[-3,3,3,-3], keepaspectration:true});
+
var brd3=JXG.JSXGraph.initBoard('jxgbox3',{boundingbox:[-3,3,3,-3], keepaspectration:true});
  
 
var A = brd3.create('point',[-1,1]);
 
var A = brd3.create('point',[-1,1]);
Line 27: Line 27:
  
 
<jsxgraph width="600" height="400" box="jxgbox4">
 
<jsxgraph width="600" height="400" box="jxgbox4">
var brd4=JXG.JSXGraph.initBoard('jxgbox2',{boundingbox:[-3,3,3,-3], keepaspectration:true});
+
var brd4=JXG.JSXGraph.initBoard('jxgbox4',{boundingbox:[-3,3,3,-3], keepaspectration:true});
  
 
var A = brd4.create('point',[-1,0]);
 
var A = brd4.create('point',[-1,0]);
Line 36: Line 36:
  
 
<jsxgraph width="600" height="400" box="jxgbox5">
 
<jsxgraph width="600" height="400" box="jxgbox5">
var brd5=JXG.JSXGraph.initBoard('jxgbox1',{boundingbox:[-3,3,3,-3], keepaspectration:true});
+
var brd5=JXG.JSXGraph.initBoard('jxgbox5',{boundingbox:[-3,3,3,-3], keepaspectration:true});
  
 
var A = brd5.create('point',[-1,1]);
 
var A = brd5.create('point',[-1,1]);
Line 42: Line 42:
 
var line = brd5.create('line',[A,B]);
 
var line = brd5.create('line',[A,B]);
 
var C = brd5.create('point',[0,-1]);
 
var C = brd5.create('point',[0,-1]);
var hyp = brd5.create('parabola',[line,C]);
+
var hyp = brd5.create('parabola',[C,line]);
 
</jsxgraph>
 
</jsxgraph>

Revision as of 14:00, 21 March 2010