Smiling Angels emoji in MATLAB

MATLAB Program:

t=0:0.001:2*pi;

x=2*cos(t);

y=1+2*sin(t);

plot(x,y);

grid on;

fill(x,y,'y');

axis square

hold on

x2=-1+0.1*cos(t);

y2=2+0.1*sin(t);

fill(x2,y2,'k');

hold on;

x3=1+0.1*cos(t);

y3=2+0.1*sin(t);

fill(x3,y3,'k')

t=-0.6:0.1:0.6;

y=t.^2;

plot(t,y,'k','linewidth',5)

hold on

t=0:0.001:2*pi;

x=2*cos(t);

y=2.9+0.2*sin(t);

plot(x,y,'b','linewidth',5);

axis square