function getpolynom2 (n1) {
    var i1;
    var j1;
    
    p2 = "";
    for (i1 = 0;  i1 < n1+1;  i1++) {
        if (a [i1] >= 0.0)
            p2 = p2 + a [i1].toString ();
        else  
            p2 = p2 + "((0-1)*" + (Math.abs (a[i1])).toString () + ")";  
        for (j1 = 0;  j1 < n1+1;  j1++) {
            if (j1 != i1) {
                if (b[j1] > 0)
                    p2 = p2 + "*(($t-";
                else
                    p2 = p2 + "*(($t+";
                p2 = p2 + Math.abs (b[j1]).toString ();
                p2 = p2 + ")/(";
                if (b[i1] > 0) 
                    p2 = p2 + b[i1].toString ();
                else
                    p2 = p2 + "((0-1)*" + Math.abs(b[i1]).toString () + ")";
                if (b[j1] > 0)
                    p2 = p2 + "-";
                else    
                    p2 = p2 + "+";
                p2 = p2 + Math.abs (b[j1]).toString () + "))";
            }
        }
        p2 = p2 + "+";
    }
    p2 = p2 + "0";
}