Arithmetics of complex numbers: Difference between revisions
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<div id="box2" class="jxgbox" style="width:600px; height:400px;"></div> | <div id="box2" class="jxgbox" style="width:600px; height:400px;"></div> | ||
<script language="JavaScript"> | <script language="JavaScript"> | ||
brd2 = JXG.JSXGraph.initBoard('box2', {originX: 250, originY: 250, unitX: 40, unitY: 40}); | |||
// Axes | // Axes | ||
b1axisx = | b1axisx = brd2.createElement('axis', [[0,0], [1,0]], {}); | ||
b1axisy = | b1axisy = brd2.createElement('axis', [[0,0], [0,1]], {}); | ||
var | var org2 = brd2.createElement('point', [0,0], {style:10,visible:true,fixed:true,name:' '}); | ||
var x = | var x = brd2.createElement('point', [1,0], {style:5,fillColor:'blue',name:'x',trace:true}); | ||
var y = | var y = brd2.createElement('point', [0,2], {style:5,fillColor:'red',strokeColor:'red',name:'y',trace:true}); | ||
var xy = | var xy = brd2.createElement('point', | ||
["X(x)*X(y)-Y(x)*Y(y)","X(x)*Y(y)+X(y)*Y(x)"], {style:7,fillColor:'green',strokeColor:'green',name:'x+y',trace:true}); | ["X(x)*X(y)-Y(x)*Y(y)","X(x)*Y(y)+X(y)*Y(x)"], {style:7,fillColor:'green',strokeColor:'green',name:'x+y',trace:true}); | ||
var c = brd2.createELement('circle',[org2,1],{strokeWidth:1,dash:1}); | |||
</script> | </script> | ||
</html> | </html> | ||
Revision as of 22:42, 3 December 2008
Addition of complex numbers
board = JXG.JSXGraph.initBoard('box', {originX: 250, originY: 250, unitX: 40, unitY: 40});
// Axes
b1axisx = board.createElement('axis', [[0,0], [1,0]], {});
b1axisy = board.createElement('axis', [[0,0], [0,1]], {});
var org = board.createElement('point', [0,0], {style:10,visible:true,fixed:true,name:' '});
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)+X(y)","Y(x)+Y(y)"], {style:7,fillColor:'blue',name:'x+y'});
var ax =board.createElement('line', [org,x], {straightFirst:false,straightLast:false,lastArrow:true,strokeColor:'blue'});
var ay =board.createElement('line', [org,y], {straightFirst:false,straightLast:false,lastArrow:true,strokeColor:'blue'});
var axy =board.createElement('line', [org,xy], {straightFirst:false,straightLast:false,lastArrow:true,strokeColor:'red'});
var ax2 =board.createElement('line', [x,xy], {straightFirst:false,straightLast:false,lastArrow:true,strokeColor:'blue',strokeWidth:1,dash:1});
var ay2 =board.createElement('line', [y,xy], {straightFirst:false,straightLast:false,lastArrow:true,strokeColor:'blue',strokeWidth:1,dash:1});
Multiplication of complex numbers
