%9-4  ʹͼͼΡ

>> x=-2*pi:pi/40:2*pi;
>>y=sin(x);
>> Hl_sin=plot(x,y) 
Hl_sin =
  151.0026
>>set(Hl_sin,'Color' ,[1 .5 0], 'LineWidth',3)
>>

 

%ټһǳɫߣEnterȷϡ
>> set(Hl_sin,'Color' ,[1 .5 0], 'LineWidth',3)
>>  z=cos(x);
>>  hold on
>>  Hl_cos=plot(x,z);
>> set(Hl_cos,'Color' ,[.75  .75  1]) 
>>  
