A=horzcat((1:10)',randi(20,10,1),randi(100,10,1));
figure(4);
plot (A(:,1),A(:,2),'-o', 'LineWidth',1, 'Color', [0 0.4470 0.7410])
plot (A(:,1),A(:,3),'-*', 'LineWidth',1, 'Color', [0.6350 0.0780 0.1840])
with "hold on" command
A=horzcat((1:10)',randi(20,10,1),randi(100,10,1));
figure(6);
plot (A(:,1),A(:,2),'-o', 'LineWidth',1, 'Color', [0 0.4470 0.7410])
hold on
plot (A(:,1),A(:,3),'-*', 'LineWidth',1, 'Color', [0.6350 0.0780 0.1840])
figure(8);
subplot(2,1,1)
plot (A(:,1),A(:,2), 'LineWidth',1, 'Color', [0 0.4470 0.7410])
subplot(2,1,2)
plot (A(:,1),A(:,3), 'LineWidth',1, 'Color', [0.6350 0.0780 0.1840])