a26.m

the file contain many matlab signal source code and many example .

t=0:0.5:10;
y1=sin(t);
y2=cos(t);
plot(t,y1,'b:o',t,y2,'m-.*')
xlabel('X轴(0~10)')
ylabel('Y轴')
title('正余弦曲线图')
text(pi,0,['\leftarrowsin(\pi)=','0'])
text(3*pi/2,0,['\leftarrowcos(3*\pi/2)=','0'])
text(0,-0.7,['绘图日期：',date])
text(0,-0.9,['MATLAB版本：',version])
legend('Sin Wave','Cos Wave')