%
% 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 63; Solutions on EPage 161
%
%-----

close all; clc; clear all; 

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

fn = @(x) ( [ 2*x(1) - sin((x(1)+x(2))/2); 2*x(2) - cos((x(1)-x(2))/2) ] );
broyden( [10,-10].', fn, 2, 1.e-4 )