% initialize set
S = ellipsoid([2.7 -0.2;-0.2 2.4], [1;-2]);

% plot
figure; 
subplot(1, 2, 1); plot(S,[1,2],'--','Color','#0072BD');
subplot(1, 2, 2); plot(S,[1,2],'FaceColor','#77AC30');