matlab 16.03 clock

function clockByKuba( h, m, s )
% clockByKuba( h, m, s )
%   Analog clock from digital time h:m:s

% r=10;
% x = [-10 : 0.1: 10];
% y=sqrt(r^2-x.^2);
% y = [y, -y];
% x = [x -x];
% plot(x, y)

r=10;
alfa = 0:pi/180:2*pi;
x = r *cos(alfa);
y = r *sin(alfa);
plot(x,y)
hold;

r1=7.5;
r2=9.5
alfa1 = pi/6:pi/6:2*pi;
x1 = r1 *cos(alfa1);
y1 = r1 *sin(alfa1);
x2 = r2 *cos(alfa1);
y2 = r2 *sin(alfa1);


for i=1:12
    plot([x1(i), x2(i)], [y1(i), y2(i)], 'r')
end


r3=8.5;
alfa2 = pi/30:pi/30:2*pi;
x1 = r3 *cos(alfa2);
y1 = r3 *sin(alfa2);
x2 = r2 *cos(alfa2);
y2 = r2 *sin(alfa2);


for i=1:60
    plot([x1(i), x2(i)], [y1(i), y2(i)], 'g')
end

hold;
end