function sample(){ var a=new Array(); for(s=0;s<2;s++){ a[s]=new Array(); } a[0][0]=8; a[0][1]=1; a[1][0]=4; a[1][1]=5; ev = numeric.eig(a); var xx=ev.lambda.x; var yy=ev.E.x; alert(yy[0][0]+","+yy[1][0]); }