The module does not cope well with discontinuities.

In [2]:

from sympy.plotting import plot

In [1]:

plot(1/x)

In [4]:

plot(1/x,(x, 0, 3))

In [6]:

plot(Heaviside(x))

In [7]:

plot(sqrt(x))

In [8]:

plot(-sqrt(sqrt(x)),sqrt(sqrt(x)))

In [9]:

plot(LambertW(x))

In [10]:

plot(LambertW(x), sqrt(LambertW(x)), (x, -2, 1))