t = 0:2*pi/50:2*pi;
y1 = cos(t);
y2 = exp(-t);
y3 = sin(t).^2;
plot(t, y1, 'm:', t, y2, 'r*')
grid on
xlim([0 2*pi])
hold on
plot(t, y3, 'LineWidth', 5)

[PNG image (7.97 KB)]

title('\alpha to \omega')