如何用matlab来绘制动画
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例：
%擦除式显示球运
speed=4000;
x=linspace(0,2*pi,speed);
y=tan(sin(x))-sin(tan(x));
plot(x,y);
n=length(x);
line_handle=line('LineStyle','o','LineWidth',3,'MarkerSize',15,...
'EraseMode','normal','MarkerEdgeColor','k','MarkerFaceColor','r');
i=1;
while 1
set(line_handle,'xdata',x(i),'ydata',y(i));
drawnow
i=i+1;
if i>n
i=1;
end
end
%擦除式显示球运
speed=4000;
x=linspace(0,2*pi,speed);
y=tan(sin(x))-sin(tan(x));
plot(x,y);
n=length(x);
line_handle=line('LineStyle','o','LineWidth',3,'MarkerSize',15,...
'EraseMode','normal','MarkerEdgeColor','k','MarkerFaceColor','r');
i=1;
while 1
set(line_handle,'xdata',x(i),'ydata',y(i));
drawnow
i=i+1;
if i>n
i=1;
end
end
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