> < ^ From:

> ^ Subject:

Suppose I have an expression involving roots of unity, such as :

x := [ 0, 1, -3/5*E(20)+3/5*E(20)^9+1/5*E(20)^13-1/5*E(20)^17, 0 ];

is it possible to substitute every instance of E(n) in x with some other

function f(n) and have the new expression automatically evaluated? Thanks.

Jacob Hirbawi

Jcbhrb@CERF.net

> < [top]