Difference between revisions of "Dual lattice"
From JSXGraph Wiki
Jump to navigationJump to searchA WASSERMANN (talk | contribs) |
A WASSERMANN (talk | contribs) |
||
| Line 5: | Line 5: | ||
v1 = brd.create('arrow', [[0,0], b1], {strokeColor: 'black'}), | v1 = brd.create('arrow', [[0,0], b1], {strokeColor: 'black'}), | ||
v2 = brd.create('arrow', [[0,0], b2], {strokeColor: 'red'}), | v2 = brd.create('arrow', [[0,0], b2], {strokeColor: 'red'}), | ||
| − | w1, w2; | + | w1, w2, i, j; |
| + | |||
| + | |||
| + | for (i=-5;i<6;i++) for (j=-5;j<6;j++) { | ||
| + | if (!(i==1&&j==0) && !(i==0&&j==1)) { | ||
| + | p[i*11+j] = brd2.create('point',[ | ||
| + | function(x,y){ return function(){ return x*b3.X()+y*b4.X(); };}(i,j), | ||
| + | function(x,y){ return function(){ return x*b3.Y()+y*b4.Y(); };}(i,j) | ||
| + | ], {name:'',style:4}); | ||
| + | }} | ||
w1 = brd.create('arrow', [[0,0], function() { | w1 = brd.create('arrow', [[0,0], function() { | ||
