fill(x,y,'b')
>> x=1:0.1:10;
>> y=sin(x);
>> fill(x,y,'b')
效果如下图
feather(z) & compass(z)
>> theta=linspace(0,2*pi,20);
>> z=sin(theta)+i*cos(theta);
>> feather(z)
>> figure
>> compass(z)
fill(x,y,'b')
>> x=1:0.1:10;
>> y=sin(x);
>> fill(x,y,'b')
>> theta=linspace(0,2*pi,20);
>> z=sin(theta)+i*cos(theta);
>> feather(z)
>> figure
>> compass(z)