from matplotlib.pylab import *

def f1(t):
    return t**4*exp(-t**4)
def f2(t):
    return t**2*f1(t)
figure()
subplot(2, 1, 1)
t=linspace(0, 3, 51)
y1=f1(t)
plot(t, y1)
xlabel('x')
ylabel('y')
legend(['pierwsza funkcja'])
axis([0, 3, -0.1, 0.7])
title('jeden')

subplot(2, 1, 2)
t=linspace(0, 6, 51)
y2=f2(t)
plot(t, y2)
xlabel('x')
ylabel('y')
legend(['druga funkcja'])
axis([0, 3, -0.1, 0.7])
title('dwa')


savefig('wykres2w1.png')
show()