数学建模案例MATLAB实用程序百例.pdf

file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/[2010/5/14 1:14:29] MATLAB实用程序百例 实例1:三角函数曲线(1) function shili01 h0=figure('toolbar','none',... 'position',[198 56 350 300],... 'name','实例01'); h1=axes('parent',h0,... 'visible','off'); x=-pi::pi; y=sin(x); plot(x,y); xlabel('自变量X'); ylabel('函数值Y'); title('SIN( )函数曲线'); grid on 实例2:三角函数曲线(2) function shili02 h0=figure('toolbar','none',... 'position',[200 150 450 350],... 'name','实例02'); x=-pi::pi; y=sin(x)+cos(x); plot(x,y,'-*r','linewidth',1); grid on xlabel('自变量X'); ylabel('函数值Y'); title('三角函数');.. .. .... .. ..file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/[2010/5/14 1:14:29] 实例3:图形的叠加 function shili03 h0=figure('toolbar','none',... 'position',[200 150 450 350],... 'name','实例03'); x=-pi::pi; y1=sin(x); y2=cos(x); plot(x,y1,... '-*r',... x,y2,... '--og'); grid on xlabel('自变量X'); ylabel('函数值Y'); title('三角函数'); 实例4:双y轴图形的绘制 function shili04 h0=figure('toolbar','none',... 'position',[200 150 450 250],... 'name','实例04'); x=0:900;a=1000;b=; y1=2*x; y2=cos(b*x); [haxes,hline1,hline2]=