ex2336.m

数字信号处理的MATLAB实现

%例23-36 函数绘图
subplot(2,2,1)
fplot(@sin,[0 2*pi])
title('y=sin(x)')
subplot(2,2,2)
f='cos(x)+sin(3*x)';
ezplot(f,[-2*pi 2*pi -3 3])
title('y=cos(x)+sin(3x)')
subplot(2,2,3)
ezpolar('2+3*sin(t)+5*cos(t)',[0 2*pi])
title('\rho=sin(\theta)+cos(\theta)')
subplot(2,2,4)
ezcontourf(@peaks)