Difference between revisions of "Differentiability"

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Line 16: Line 16:
 
p[3] = board.create('point', [6, 3], {size:2, color:'blue'});
 
p[3] = board.create('point', [6, 3], {size:2, color:'blue'});
 
var pol = JXG.Math.Numerics.lagrangePolynomial(p);
 
var pol = JXG.Math.Numerics.lagrangePolynomial(p);
var graph = board.create('functiongraph', [pol, -10, 10]);
+
var graph = board.create('functiongraph', [pol, -10, 10], {name:"f", withLabel: true});
  
 
var x0 = board.create('glider', [1, 0, board.defaultAxes.x], {name: 'x_0', size:4});
 
var x0 = board.create('glider', [1, 0, board.defaultAxes.x], {name: 'x_0', size:4});
Line 27: Line 27:
 
         function() { return x.X(); },
 
         function() { return x.X(); },
 
         function() { return (fx.Y()-fx0.Y())/(fx.X()-fx0.X() + 0.0000001); }],
 
         function() { return (fx.Y()-fx0.Y())/(fx.X()-fx0.X() + 0.0000001); }],
         { size: 1, color: 'black', fixed: true, trace: true});
+
         { size: 1, name: 'f_1', color: 'black', fixed: true, trace: true});
 
      
 
      
 
var txt = board.create('text', [2, 7, function() {  
 
var txt = board.create('text', [2, 7, function() {  
Line 37: Line 37:
 
     }]);
 
     }]);
  
board.create('functiongraph',[JXG.Math.Numerics.D(pol)]);
+
board.create('functiongraph',[JXG.Math.Numerics.D(pol)], {dash: 2, name:"f'", withLabel: true});
 
</jsxgraph>
 
</jsxgraph>
  

Revision as of 20:03, 21 January 2019