pylab is a historic interface and its use is strongly discouraged. The equivalent
matplotlib.pyplot. See Matplotlib Application Interfaces (APIs) for a full overview
of Matplotlib interfaces.
pylab was designed to support a MATLAB-like way of working with all plotting related
functions directly available in the global namespace. This was achieved through a
wildcard import (
from pylab import *).
The use of
pylab is discouraged for the following reasons:
Such a pattern is considered bad practice in modern python, as it clutters the global
namespace. Even more severely, in the case of
pylab, this will overwrite some
builtin functions (e.g. the builtin
sum will be replaced by
can lead to unexpected behavior.