separate examples

KILLTUBE · Aug 13, 2017 · bafdb40 · bafdb40
1 parent 27c0bcf
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diff --git a/examples/example_hue.html b/examples/example_hue.html
@@ -4,6 +4,10 @@
 <BODY>
   <SCRIPT>
 
+   /* In Vector space R3, rotate a color around the hue axis and output 
+    * the result using the graph function.
+    */
+
     var R3 = Algebra(3);
 
     var canvas = R3.graph(function(x,y){

diff --git a/examples/example_mandelbrot.html b/examples/example_mandelbrot.html
@@ -4,14 +4,19 @@
 <BODY>
   <SCRIPT>
 
+  // Create a complex Algebra.
     var Complex = Algebra(0,1);
 
+  // Graph a two dimensional function to a canvas.
+  // In this case we output the iterations it takes for z*z+c to converge to
+  // infinity. (well, more than 2). 
     var canvas = Complex.graph(function(x,y){
       var n=110, z=0e1, c=x*1.75-1+y*1e1;
       while (z < 2 && n--) z=z**2+c;
       return (n/100);
     });
 
+  // Show the result
     document.body.appendChild(canvas);
 
   </SCRIPT>

diff --git a/examples/example_projective_2d.html b/examples/example_projective_2d.html
@@ -4,6 +4,8 @@
 <BODY>
   <SCRIPT>
 
+   // Create a dual projective 2D algebra with some basic operations
+
     var P2 = Algebra({metric:[0,1,1],basis:['1','e0','e1','e2','e12','e20','e01','e012']}).inline(function(){ 
       this.point           = (X,Y)=>1e12+X*1e20+Y*1e01;
       this.join            = (x,y)=>!(!x^!y);                               // union
@@ -16,6 +18,8 @@
     })();
 
 
+   // Use the graph function to display a labeled set of elements.
+
     document.body.appendChild(P2.graph(P2.inline(function(){ 
        var O=P2.point(-1,-1), X=P2.point(1,-1), Y=P2.point(-1,1),z=P2.join(Y,X),o=-1*P2.ortho(O,z),rot=this.rotor(0.3,O);
        return {