a=ones(1,100);
t=(1:100);
b=randn(1,100);
plot(t,a,'k',t,b,'r');
legend('你好','nihao');
legend('你好','nihao');
legend('你好','nihao');
a=ones(1,100);
t=(1:100);
b=randn(1,100);
plot(t,a,'k',t,b,'r');
legend('你好','nihao');
legend('你好','nihao');
legend('你好','nihao');