MATLAB data plotting: x vs y plot and x vs y1,y2,y3 etc. plot in single frame

load plot2.txt

x = plot2 (:,1);

y = plot2 (:,2);

plot(x,y, 'r', 'Linewidth', 2)

title('Magnetization plot of 5x5')

ylabel ('Absolute value of Magnetization |M|')

xlabel ('Temperatuire (T)')

load plot2.txt

load plot2.txt

x = plot2 (:,1);

y1 = plot2 (:,2);

y2 = plot2 (:,3);

y3 = plot2 (:,4);

y4 = plot2 (:,5);

plot(x, y1, 'r', x, y2, 'm', x, y3, 'g', x, y4, 'b', 'Linewidth', 2)

title('Specific heat plot of of four lattice sizes')

ylabel ('Specific heat (Cv)')

xlabel ('Temperatuire (T)')