EX.1

clc;
for i=1:8;
    printf("please input data number %d",i);
    y(i)=input("=");
end
time=8:1:6;
product=[y(1),y(2),y(3),y(4),y(5),y(6),y(7),y(8)]
plot2d(time,product,style=2);
plot2d(time,product);