ex2320.m

来自「数字信号处理的MATLAB实现」· M 代码 · 共 7 行

%例23-20 文本框标注
x=0:0.02*pi:2*pi;
y=sin(x)+cos(x);
plot(x,y,pi,sin(pi)+cos(pi),'o')
text(pi,sin(pi)+cos(pi),['sin(\pi)+cos(\pi)=',num2str(sin(pi)+cos(pi))])
gtext({'gtext1-line1','gtext1-line2'})
gtext({'gtext2-1';'gtext2-2'})