Data Set II. Curves

for i=1:500

t=2*pi*rand(1,1);

A(i,1)=sin(t);

A(i,2)=cos(t);

A(i,3)=2*sin(10*t);

end

for i=1:500

s=2*pi*rand(1,1);

B(i,1)=2*sin(s);

B(i,2)=2*cos(s);

B(i,3)=sin(10*s);

end

for i=1:500

X(i,1)=A(i,1);

X(i,2)=A(i,2);

X(i,3)=A(i,3);

end

for i=501:1000

X(i,1)=B(i-500,1);

X(i,2)=B(i-500,2);

X(i,3)=B(i-500,3);

end

for i=1:500

plot3(X(i,1),X(i,2),X(i,3),'.', 'MarkerSize', 12, 'Color',[0.2 0.3 1]);

hold on;

end

for i=501:1000

plot3(X(i,1),X(i,2),X(i,3),'.', 'MarkerSize', 12, 'Color',[0 0.8 0.8]);

hold on;

end