Secant and tangent: Difference between revisions

Revision as of 13:36, 12 January 2009

@@ Line 38: / Line 38: @@
 q = board.createElement('glider', [4.5,0,graph], {style:6});
 s = board.createElement('slider', [0,-3,4,0.001,1,1],{name:' '});
-q2 = board.createElement('point', [function(){ return q.X()+s.X();},
+q2 = board.createElement('point', [function(){ return q.X()+Math.max(s.X(),0.0001);},
-       function(){ return polynomial(q.X()+Math.max(s.X(),0.01));}], {style:7});
+       function(){ return polynomial(q.X()+Math.max(s.X(),0.0001));}], {style:7});
 line = board.createElement('line',[q,q2],{strokeColor:'#ff0000'});