What is -\vec a?
What is decimalFraction(SA, true) \vec a?
graphInit({
range: 10,
scale: 20,
tickStep: 1,
axisArrows: "<->"
});
style({
stroke: BLUE,
color: BLUE
}, function() {
var AF = 1 + 0.8 / sqrt( AX * AX + AY * AY );
line( [AOX, AOY], [AOX + AX, AOY + AY], { arrows: "->" } );
label( [AOX + AF * AX, AOY + AF * AY], "\\vec a" );
});
style({
stroke: PINK,
color: PINK
}, function() {
var BF = 1 + 0.8 / sqrt( BX * BX + BY * BY );
line( [BOX, BOY], [BOX + BX, BOY + BY], { arrows: "->" } );
label( [BOX + BF * BX, BOY + BF * BY], "\\vec b" );
});
style({
stroke: GREEN,
color: GREEN
}, function() {
var CF = 1 + 0.8 / sqrt( CX * CX + CY * CY );
line( [COX, COY], [COX + CX, COY + CY], { arrows: "->" } );
label( [COX + CF * CX, COY + CF * CY], "\\vec c" );
});
style({
stroke: PURPLE,
color: PURPLE
}, function() {
line( [DOX, DOY], [DOX + DX, DOY + DY], { arrows: "->" } );
label( [DOX + DF * DX, DOY + DF * DY], "\\vec d" );
});
style({
stroke: RED,
color: RED
}, function() {
line( [EOX, EOY], [EOX + EX, EOY + EY], { arrows: "->" } );
label( [EOX + EF * EX, EOY + EF * EY], "\\vec e" );
});