Difference between revisions of "Mean Value Theorem"

From JSXGraph Wiki
Jump to: navigation, search
Line 35: Line 35:
 
             };
 
             };
 
     var graph = board.createElement('curve', ['x', f, 'x', -10, 10], {curveType:'graph'});
 
     var graph = board.createElement('curve', ['x', f, 'x', -10, 10], {curveType:'graph'});
 +
 +
    var g = function(x) {
 +
        return board.D(f)(x)-(p[1].Y()-p[0].Y())/(p[1].X()-p[0].X());
 +
        }
  
 
     var r = board.createElement('point', [
 
     var r = board.createElement('point', [
                     function() { return board.root(board.D(f)-(p[1].Y()-p[0].Y())/(p[1].X()-p[0].X()),(p[0].X()+p[1].X())*0.5); },
+
                     function() { return board.root(g,(p[0].X()+p[1].X())*0.5); },
                     function() { return f(board.root(board.D(f)-(p[1].Y()-p[0].Y())/(p[1].X()-p[0].X()),(p[0].X()+p[1].X())*0.5)); }],  
+
                     function() { return f(board.root(g,(p[0].X()+p[1].X())*0.5)); }],  
 
         {name:' ',style:6});
 
         {name:' ',style:6});
 
   var r2 = board.createElement('point', [function(){ return r.X()+0.01;},
 
   var r2 = board.createElement('point', [function(){ return r.X()+0.01;},

Revision as of 19:37, 21 January 2009