ejer1_1.m

matlab codes for digital audio procces

x=0:0.01:5
y=0.05*x+2.01
p=3*sin(x.^2)+2*cos(y.^3)
q=3*cos(x.*y)+2*y.^2
z=p+q
r=p.*q
figure(1)
subplot(2,2,1)
plot(p)
subplot(2,2,2)
plot(q)
subplot(2,2,3)
plot(z)
subplot(2,2,4)
plot(r)
figure(2)
hold on
plot(q,'r--')
plot(p,'g-.')
plot(z,'c:')      
plot(r)
hold off