% 16-raqam Tog‘ayeva Zarina
x=-pi:pi/10:pi;
plot(x,abs(sin(x)),'-.r*')
hold on
plot(x,exp(-x).*cos(x),'--mo')
plot(x,x.^3.*abs(cos(x)),':bs')
hold off
% legend funksiyasi
x=-pi:pi/10:pi;
plot(x,abs(sin(x)),'-.r*')
hold on
plot(x,exp(-x).*cos(x),'--mo')
plot(x,x.^3.*abs(cos(x)),':bs')
hold off
grid on
legend('y = |sin(x)|','y = e^{-x}cos(x)','y = x^3|cos(x)|')
% stem funksiyasi yordamida grafik chizish
x=-pi:pi/10:pi;

f1=abs(sin(x));
f2=exp(-x).*cos(x);
f3=x.^3.*abs(cos(x));

stem(x,f1,'r')
hold on
stem(x,f2,'b')
stem(x,f3,'g')
hold off

title('Funksiyalarning diskret grafigi')
xlabel('x')
ylabel('y')
legend('f1','f2','f3')
grid on