%% Matlab Homework:  6.1, 6.2
%  This is a template script file for you to use to do your homework.

%% 6.1, Exercise 1:


%% 6.1, Exercise 2:


%% 6.1, Exercise 5:


%% 6.1, Exercise 6 (A sample for you to look at)

x=[6;-2;3];  w=[3 -1 -5]';
(dot(x,w)/dot(x,x))*x


%% 6.1, Exercise 7:


%% 6.1, Exercise 11:


%% 6.1, Exercise 13:


%% 6.1, Exercise 33

%Here is the command to produce random integer entries between -5 and 5:
x=randi([-5,5],[4,1]);