Difference between revisions of "Dual lattice"

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Line 4: Line 4:
 
     b2 = brd.create('point', [3,3], {size:6, name:'', color:'blue'}),
 
     b2 = brd.create('point', [3,3], {size:6, name:'', color:'blue'}),
 
     v1 = brd.create('arrow', [[0,0], b1], {}),   
 
     v1 = brd.create('arrow', [[0,0], b1], {}),   
     v2 = brd.create('arrow', [[0,0], b2], {});
+
     v2 = brd.create('arrow', [[0,0], b2], {}),
 +
    w1, w2;
  
 +
w1 = brd.create('arrow', [[0,0], function() {
 +
    return [-1,-1];
 +
 +
}], {}),
  
  

Revision as of 16:00, 16 June 2016