Arithmetics of complex numbers: Difference between revisions

Revision as of 22:13, 3 December 2008

@@ Line 3: / Line 3: @@
 <script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/prototype.js"></script>
 <script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
-<form><textarea id="input" rows=7 cols=35 wrap="off" >
-function f(x) {
-   return Math.cos(x)*p.Y();
-}
-c = plot(f);
-// Derivative:
-g = board.algebra.D(f);
-plot(g,{strokecolor:'black', dash:1});
-</textarea> <br>
-<input type="button" value="plot" onClick="doIt()" style='margin:1em'>
-<input type="button" value="clear all" onClick="board=clearAll(board)">
-</form>
 <div id="box" class="jxgbox" style="width:600px; height:600px;"></div>
 <script language="JavaScript">
@@ Line 21: / Line 9: @@
          b1axisx = board.createElement('axis', [[0,0], [1,0]], {});
          b1axisy = board.createElement('axis', [[0,0], [0,1]], {});
+        var x = board.createElement('point', [2,2], {style:5,fillColor:'blue',name:'x'});
+        var y = board.createElement('point', [-1,-3], {style:5,fillColor:'blue',name:'y'});
+        var xy = board.createElement('point',
+              ["X(x)+Y(y)","Y(x)+Y(y)"], {style:9,fillColor:'blue',name:'x+y'});
 </script>
 </html>