m_exam11.m

西交大刘树棠写的《数字信号处理》那本书的所有源代码

% example 11
x=linspace(0,2*pi,30);
y=sin(x);
z=cos(x);
plot(x,y);
hold on
plot (x,z,'m')
hold off
xlabel('Independent variable x');
ylabel('Independent variable y and z');
title('sine and cosine curves');
axis([0 2*pi -1.5 2]);