li23.m

这是机械工业张德丰《MATLAB与外部程序接口编程》随书源码

aviobj=avifile('mymovie,avi','fps',5);
for k=1:25
    h=plot(fft(eye(k+16)));
    set(h,'EraseMode','xor');
    axis equal;
    frame=getframe(gca);
    aviobj=addframe(aviobj,frame);
end
aviobj=close(aviobj)