%Niveen Bazaraa
%Brandon Harris
%Vladi Gergov
%ECE 460 Control Systems
%Lab 4
%File name  lab4_2

clear all
home
num3=[-2 -4]
den3=[1 4]
t=[0:.01:2]';
transfer_function3=4*tf(num3,den3)
step_response3=step(transfer_function3,t);
plot(t,step_response3,'red')
xlabel('The t axis')
ylabel('The y axis')
title('The  4*unit step response')
grid on

hold on
load y2
tnew=[0 : .01 : 1.5]';
plot(tnew,y2)
