%
% Written by:
% --
% John L. Weatherwax                2009-04-21
%
% email: wax@alum.mit.edu
%
% Please send comments and especially bug reports to the
% above email address.
%
% Problem on EPage 62; Solutions on EPage 161
%
%-----

close all; clc; clear all; 

addpath('../../BookCode');

roots( [1, 0, 0, -0.5 - (sqrt(3)/2) * i] )

ks = 0:2;
cos( (pi/3 + 2*pi*ks)/3 ) + i * sin( (pi/3 + 2*pi*ks)/3 )