Trochoid: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
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board.createElement('axis', [[0,0],[1,0]]); | board.createElement('axis', [[0,0],[1,0]]); | ||
board.createElement('axis', [[0,0],[0,1]]); | board.createElement('axis', [[0,0],[0,1]]); | ||
var a = board.createElement('slider', [[1,-1],[ | var a = board.createElement('slider', [[1,-1],[8,-1],[-5,1,5]], {style:6}); | ||
var b = board.createElement('slider', [[1,-2],[ | var b = board.createElement('slider', [[1,-2],[8,-2],[-5,1,5]], {style:6}); | ||
var x = function(phi) { return a.Value()*phi-b.Value()*Math.sin(phi); } | var x = function(phi) { return a.Value()*phi-b.Value()*Math.sin(phi); } | ||
var y = function(phi) { return a.Value()-b.Value()*Math.cos(phi); } | var y = function(phi) { return a.Value()-b.Value()*Math.cos(phi); } | ||
c1 = board.createElement('curve', [x,y,'phi',-Math.PI*4,Math.PI*4],{strokeWidth:3}); | var c1 = board.createElement('curve', [x,y,'phi',-Math.PI*4,Math.PI*4],{strokeWidth:3}); | ||
var X = function(phi) { return board.D(y)(phi)/(y(phi)*board.D(x)(phi)-x(phi)*board.D(y)(phi)); } | |||
var Y = function(phi) { return board.D(x)(phi)/(x(phi)*board.D(y)(phi)-y(phi)*board.D(x)(phi)); } | |||
var c2 = board.createElement('curve', [X,Y,'phi',-Math.PI*4,Math.PI*4],{strokeWidth:3}); | |||
</script> | </script> | ||
</html> | </html> | ||
Revision as of 16:59, 5 February 2009
