e0647.m

来自「《MATLAB 7.X程序设计》-王建卫-源代码及习题答案」· M 代码 · 共 8 行

x=-2*pi:.1:2*pi;y=sin(x);
axes('GridLineStyle','-.','XLim',[ -2*pi,2*pi],'YLim',[-1,1]);
h=line(x,y,'LineStyle',':','Color','g');
xlabel('-\pi \leq \Theta \leq \pi')
ylabel('sin(\Theta)')
title('Plot of sin(\Theta)')
text(-pi/4,sin(-pi/4),'\leftarrow sin(-\pi\div4)','FontSize',12)