%%% ECE 201 Lab Project 1
%%% Author: Kevin
%%% Date: 1/30/19
 
% -- 3.1 --
 
w = [1, 2; 3, 4]
x = [1 2 3 4 5]
y = [1, 2, 3, 4, 5]
z = [1; 2; 3; 4; 5]
 
nn = 2 * (0:60)
mm = 9*ones(1,35)
kk = 0:pi/60:pi
 
 
 
yy = 1/2-j*sqrt(3)/2
abs(yy)
angle(yy)
yy * conj(yy)
abs(yy)^2
 
zz4 = [1 0 0 0 .5+1j*sqrt(3)/2]
 
p4=figure;
roots(zz4)
zplane(zz4)
 
zz8 = [1 0 0 0 0 0 0 0 .5+1j*sqrt(3)/2]
 
p8=figure;
roots(zz8)
zplane(zz8)
 
 
zz20 = zeros(21,1)
zz20(1,1) = 1
zz20(21,1) = .5+1j*sqrt(3)/2
 
p20=figure;
roots(zz20)
zplane(zz20)
 
x1 = 0:1/100:1
 
y1 = exp(-10*x1)
 
f1=figure;
plot(x1,y1)
 
x2 = linspace(0,2*pi,100);
y2 = cos(x2);
f2=figure;
plot(x2,y2);
title('x')
ylabel('y = cos(x)')
grid;