matlab 中出现Error:Missing variable or functiont=0:0.01:2;y1=sin(2*pi*t);y2=sin(16*pi*t);y=y1.*y2;plot(t,y)请问这是错在那?

matlab 中出现Error:Missing variable or functiont=0:0.01:2;y1=sin(2*pi*t);y2=sin(16*pi*t);y=y1.*y2;plot(t,y)请问这是错在那?
matlab 中出现Error:Missing variable or function
t=0:0.01:2;
y1=sin(2*pi*t);
y2=sin(16*pi*t);
y=y1.*y2;
plot(t,y)
请问这是错在那?

matlab 中出现Error:Missing variable or functiont=0:0.01:2;y1=sin(2*pi*t);y2=sin(16*pi*t);y=y1.*y2;plot(t,y)请问这是错在那?
我运行正常,无错误提示,matlab2009b,xp sp3