clear all
A=[1 2 -3 5 7 9]
plot(A)
x=0:0.1:10;
y=sin(x);
plot(x,y)
hold on
z=cos(x);
plot(x,z)
hold off

plot(x,y,'-',x,z,'--')
plot(x,y,'r*')
plot(x,y,'-r',x,y,'*g')