>> a=0:0.1:10; >> y=sin(a); >> plot(a,y,‘b‘) >> plot(a,y,‘r‘) >> grid >> y1=cos(a) plot(a,y1,‘r‘) >> plot(a,y1,‘b‘) >> grid >> plot(a,y,a,y1) >> grid
Matlab
原文：https://www.cnblogs.com/Serendipitychen/p/14503428.html
