ss3

//Generate ramp signal
t=-10:0.01:10
y4 = t.* (t > = 0);
subplot(4,1,4);
plot(t,y4);
xgrid(color("green"));
a=gca();
a.x_location="origin";
a.y_location="origin";
xtitle ("Ramp signal", " t time", "r(t)");

//Generate sinc signal
y5 = sinc(%pi*t);
subplot(4,1,1);
plot(t,y5);
xgrid(color("green"));
a=gca();
a.x_location="origin";
a.y_location="origin";
xtitle ("sinc signal", " t time", "sinc(t)");

//Generate squarewave
t = (0:0.01:10*%pi);
y6 = squarewave(t);
subplot(4,1,2);
plot(t/(2*%pi), y6);
xgrid(color("green"));
a = gca();
a.x_location = "origin";