Cosine: Difference between revisions
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var y = brd1.create('point',[x.X(),Math.cos(x.X())],{size:1,name:'',strokeColor:'green'}); | var y = brd1.create('point',[x.X(),Math.cos(x.X())],{size:1,name:'',strokeColor:'green'}); | ||
console.log("test1"); | console.log("test1"); | ||
var x1 = brd1.create('segment',[x,y],{visible:true, straightFirst:false,straightLast:false,strokeColor:'red'}); | |||
x.on('drag', function(){ transform(x);}); | |||
var f = brd1.create('functiongraph',[function(x){ | |||
return Math.cos(x); | |||
}]); | |||
console.log("test2"); | |||
var ax = brd.create('line',[[0,0],[1,0]],{visible:false}); | |||
var ay = brd.create('line',[[0,0],[0,1]],{visible:false}); | |||
var p0 = brd.create('point',[0,0],{fixed:true,visible:false}); | |||
var p1 = brd.create('point',[1,0],{name:'',visible:false,fixed:true}); | |||
var c = brd.create('circle',[p0,p1],{dash:2,strokeWidth:1,strokeOpacity:0.6}); | |||
var p2 = brd.create('point',[Math.cos(x.X()),Math.sin(x.X())],{name:'exp(ix)',fixed:true,size:1, strokeColor:'green'}); | |||
var p3 = brd.create('point',[function(){return p2.X();},0.0],{visible:false,name:'',withLabel:false}); | |||
var p4 = brd.create('point',[0.0,function(){return p2.Y();}],{visible:false,name:'',withLabel:false}); | |||
brd.create('line',[p2,p4],{straightFirst:false,straightLast:false,strokeColor:'red'}); // cos | |||
brd.create('text',[ | |||
function(){return (p2.X()+p4.X())*0.3;}, | |||
function(){return p2.Y()+0.05;}, | |||
'cos'],{}); | |||
brd1.create('text',[ | |||
function(){return x.X()+0.3;}, | |||
function(){return y.Y()*0.5;}, | |||
'cos'],{}); | |||
function transform(x) { | |||
p2.setPosition(JXG.COORDS_BY_USER,[Math.cos(x.X()),Math.sin(x.X())]); | |||
y.setPosition(JXG.COORDS_BY_USER,[x.X(),Math.cos(x.X())]); | |||
brd.update(); | |||
} | |||
</script> | </script> | ||
Revision as of 14:18, 5 March 2016
| Complex Plane | Cosine Graph |
