Dual lattice: Difference between revisions

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     var num = b1.X() * b2.Y() - b2.X() * b1.Y();
     var num = b1.X() * b2.Y() - b2.X() * b1.Y();
     return [b2.Y() / num,  -b2.X() / num];
     return [b2.Y() / num,  -b2.X() / num];
}], {strokeColor: 'black', name:"1'", withLabel:true, label:{pos:'rt'}});
}], {strokeColor: 'black', name:"1'", withLabel:true, label:{position:'rt'}});


w2 = brd.create('arrow', [[0,0], function() {
w2 = brd.create('arrow', [[0,0], function() {

Revision as of 11:10, 20 June 2016