1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
clear
clf
clc
t=-20:0.01:20;
for i=1:length(t)
if t(i)>0 then
x1(i)=0.5;
else
x1(i)=-0.5;
end
end
subplot(3,1,1)
plot(t,x1);
xtitle("x1(t)=-0.5 for t<0 and x1(t)=0.5 for t>0","time","amplitude");
xgrid(5);
subplot(3,1,2)
for i=1:length(t)
x2(i)=-t(i);
end
plot(t,x2);
xtitle("x2(t)=-t for all t","time","amplitude");
xgrid(5);
subplot(3,1,3)
for i=1:length(t)
x3(i)=t(i).^2;
end
plot(t,x3);
xtitle("x3(t)=t^2 for all t","time","amplitude");
xgrid(5);
|
