t=[0:0.1:25]; y1=exp(-t/3); y3=sin(2*t+3); y2=log(t+1); subplot(2,2,1) plot(t,y1,'linewidth',2) s ...

[Data,DataText,DataCell]=xlsread('new.xls','Sheet1') DataCell是全部的cell cell 格式 Data带有NAN（代表字符）的全部 ...

v=20; t=[0:0.01*pi:50*pi]; alpha=pi/6; omega=pi/6; x=v*sin(alpha)*t.*cos(omega*t); y=v*sin(alpha) ...