Continuous functions: Difference between revisions
From JSXGraph Wiki
A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
||
Line 8: | Line 8: | ||
b1axisx = board.createElement('axis', [[0,0], [1,0]], {}); | b1axisx = board.createElement('axis', [[0,0], [1,0]], {}); | ||
b1axisy = board.createElement('axis', [[0,0], [0,1]], {}); | b1axisy = board.createElement('axis', [[0,0], [0,1]], {}); | ||
var f = function(x) { | |||
if (x<1) { | if (x<1) { | ||
return 0.5*x*x; | return 0.5*x*x; | ||
Line 15: | Line 15: | ||
return x+1; | return x+1; | ||
} | } | ||
}, 'x'], {curveType:'graph',strokeColor:'#00ff00'}); | }; | ||
graph = board.createElement('curve', ['x',f, 'x'], {curveType:'graph',strokeColor:'#00ff00'}); | |||
s = board.createElement('slider', [0,-2,4,0,1,1],{name:' '}); | |||
x1 = board.createElement('glider', [-2,0,b1axisx],{name:' '}); | |||
x2 = board.createElement('point', [function(){return x1.X()-s.X();},0],{style:7,name:' '}); | |||
x3 = board.createElement('point', [function(){return x1.X()+s.X();},0],{style:7,name:' '}); | |||
y1 = board.createElement('point', [function(){return x1.X();},function(){return f(x1.X());}],{style:7,name:' '}); | |||
y2 = board.createElement('point', [function(){return x2.X();},function(){return f(x2.X());}],{style:7,name:' '}); | |||
y3 = board.createElement('point', [function(){return x3.X();},function(){return f(x3.X());}],{style:7,name:' '}); | |||
v2 = board.createElement('curve', [function(t){return x2.X();},function(t){return t}], {strokeColor:'red',dash:1}); | |||
v3 = board.createElement('curve', [function(t){return x3.X();},function(t){return t}], {strokeColor:'red',dash:1}); | |||
</script> | </script> |
Revision as of 10:57, 17 December 2008