源代码：

t=[0]

m=[sin(t);cos(t)];

p = plot(t,m,'EraseMode','background','MarkerSize',5);

x=-1.5*pi;

axis([x x+2*pi -1.5 1.5]);

grid on;

for i=1:1000

 t=[t 0.1*i]; 

 wu=[sin(0.1*i);cos(0.1*i)]

 m=[m wu]; 

 set(p(1),'XData',t,'YData',m(1,:));

 set(p(2),'XData',t,'YData',m(2,:));

 drawnow

 x=x+0.1; 

 axis([0 x+2*pi -1.5 1.5]);

 pause(0.01);

end

方式2：

clc;

clear;

close all;

t=[0]

m1=[sin(t)];

m2=[cos(t)];

subplot(1,2,1);p1 = plot(t,m1,'EraseMode','background','MarkerSize',5);grid on;

subplot(1,2,2);p2 = plot(t,m2,'EraseMode','background','MarkerSize',5);

x=-1.5*pi;

axis([x x+2*pi -1.5 1.5]);

grid on;

for i=1:1000

 t=[t 0.1*i]; 

 m1=[m1 sin(0.1*i)];

 m2=[m2 cos(0.1*i)]; 

 set(p1,'XData',t,'YData',m1);

 axis([0 x+2*pi -1.5 1.5]);grid on;drawnow

 set(p2,'XData',t,'YData',m2);

 drawnow

 x=x+0.1; 

%  axis([0 x+2*pi -1.5 1.5]);

end

方式3：

clc;

clear;

close all;

t=[0]

m1=[sin(t)];

m2=[cos(t)];

p1 = plot(t,m1,'EraseMode','background','MarkerSize',5);hold on;

p2 = plot(t,m2,'EraseMode','background','MarkerSize',5);

x=-1.5*pi;

axis([x x+2*pi -1.5 1.5]);

grid on;

for i=1:1000

 t=[t 0.1*i]; 

 m1=[m1 sin(0.1*i)];

 m2=[m2 cos(0.1*i)]; 

 set(p1,'XData',t,'YData',m1);

 drawnow

 set(p2,'XData',t,'YData',m2);

 drawnow

 x=x+0.1; 

 axis([0 x+2*pi -1.5 1.5]);

 pause(0.01);

end

效果图：