>> global.poly.coeff = [1, 2, -2];or spawn a new function like this
>> p = poly; // making a copy of poly >> p.coeff = [1, 2, -1];or
>> p = poly[[1, 2, -2]];Now p is a polynomial . p can be called like a normal function
>> p = poly[[1, 2, -2]]; >> p(100) -9799