Matlab数学建模----小丑

clear all;

figure;

theta=0:pi/100:2*pi;

theta1=0:pi/100:2*pi;

%圆脸

x1=10*cos(0:pi/100:2*pi);

y1=10*sin(0:pi/100:2*pi);

plot(x1,y1,'r');

hold on;

%黑瞳孔

x2=(1/2)*cos(theta+5);

y2=2*sin(theta+5)+3;

fill(x2-2.5,y2-1.5,'k',x2+2.5,y2-1.5,'k');

hold on;

%鼻子

x4=(3/2)*cos(0:pi/100:2*pi);

y4=(3/2)*sin(0:pi/100:2*pi);

fill(x4,y4-2,'r');

hold on;

%双曲线（未用）

x3=-1.5:0.01:-1

a=1;

b=4;

y3=-sqrt(b^2*(x3.^2/a^2-1))+2.5;

%眉毛

x=linspace(0,pi,100);

pl