exa5_5.m

来自「有关matlab r2007的实用教程」· M 代码 · 共 7 行

clear;
x=0:pi/20:2*pi;
plot(x,sin(x));
text(pi,sin(pi),'\leftarrowsin(x)=0');
text(3*pi/4,sin(3*pi/4),'\leftarrowsin(x)=0.707');
text(0,-0.7,['画图时间:',date])