{{ tocSubheader }}
| {{ 'ml-lesson-number-slides' | message : article.intro.bblockCount}} |
| {{ 'ml-lesson-number-exercises' | message : article.intro.exerciseCount}} |
| {{ 'ml-lesson-time-estimation' | message }} |
Appe (Diskussion | bidrag) | Jonas (Diskussion | bidrag) | ||
Rad 13: | Rad 13: | ||
b.yaxis(1,0,'y'); | b.yaxis(1,0,'y'); | ||
var s = 0.4; | var s = 0.4; | ||
− | var graph1 = b.board.create('functiongraph', [function(x){ return s*x+3 },-10, 10],{strokeWidth:2}); | + | var graph1 = b.board.create('functiongraph', [function(x){ return s*x+3;},-10, 10],{strokeWidth:2}); |
− | var graph2 = b.board.create('functiongraph', [function(x){ return s*x-2 },-10, 10],{strokeWidth:2, strokeColor:'red'}); | + | var graph2 = b.board.create('functiongraph', [function(x){ return s*x-2;},-10, 10],{strokeWidth:2, strokeColor:'red'}); |
var l1 = b.txt(2,function(){return graph1.Y(2)},'y='+s+'x+3',{flag:true}); | var l1 = b.txt(2,function(){return graph1.Y(2)},'y='+s+'x+3',{flag:true}); | ||
$(b.getId(l1)).css({ | $(b.getId(l1)).css({ | ||
Rad 23: | Rad 23: | ||
"border":"1px solid blue" | "border":"1px solid blue" | ||
}); | }); | ||
− | var l2 = b.txt(2,function(){return graph2.Y(2)},'y='+s+'x-2',{flag:true}); | + | var l2 = b.txt(2,function(){return graph2.Y(2);},'y='+s+'x-2',{flag:true}); |
$(b.getId(l2)).css({ | $(b.getId(l2)).css({ | ||
"width":"27%", | "width":"27%", | ||
Rad 35: | Rad 35: | ||
s=val.toFixed(1); | s=val.toFixed(1); | ||
− | if(s==1){ | + | if(s===1){ |
b.changeText(l1, 'y=x+3'); | b.changeText(l1, 'y=x+3'); | ||
b.changeText(l2, 'y=x-2'); | b.changeText(l2, 'y=x-2'); | ||
− | } else if (s==0) { | + | } else if (s===0) { |
b.changeText(l1, 'y=3'); | b.changeText(l1, 'y=3'); | ||
b.changeText(l2, 'y=\\text{-}2'); | b.changeText(l2, 'y=\\text{-}2'); | ||
− | } else if (s==-1) { | + | } else if (s===-1) { |
b.changeText(l1, 'y=\\text{-}x+3'); | b.changeText(l1, 'y=\\text{-}x+3'); | ||
b.changeText(l2, 'y=\\text{-}x-2'); | b.changeText(l2, 'y=\\text{-}x-2'); |
k1=k2
Parallella linjer i koordinatsystem har inte samma m-värde eftersom de då blir identiska och får oändligt många skärningspunkter.