function(){for(var e=[];e.length<5;){var r=[randRange(-9,9),randRangeExclude(-9,9,[-1])],a=!0;$.each(e,function(e,i){return r[0]===i[0]&&r[1]===i[1]?(a=!1,!1):void 0}),a&&e.unshift(r)}return e}()
randRange( 0, POINTS.length - 1 )
function(e){return"("+e.join(", ")+")"}
Considera los siguientes pares ordenados:
$.map( POINTS, PAIR ).join( "\\qquad" )
¿Cuál de esos pares no esta trazado a continuación?
graphInit({range:10,scale:20,axisArrows:"<->",tickStep:1,labelStep:2}),$.each(POINTS,function(e,r){e!==FORGOTTEN&&style({stroke:"#6495ED",fill:"#6495ED"},function(){circle(r,.2)})})
PAIR( POINTS[FORGOTTEN] )
label(point,PAIR(point),"above right")
var point=POINTS[FORGOTTEN];label(point,PAIR(point),"above right"),label(point,"\\text{"+$._("no estaba trazado")+"}","right"),circle(point,.3,{stroke:"red"})