t = 0:pi/50:10*pi;
i=1;
h=plot3(sin(t(i)),cos(t(i)),t(i),'*','erasemode','none');     
%設定擦除模式
grid on
axis([-2 2 -2 2 -1 10*pi])
title '程序動畫示例'
for i=2:length(t)
    set(h,'xdata',sin(t(i)),'ydata',cos(t(i)),'zdata',t(i));
    drawnow
end