matplotlib (all lowercase by convention) is a very useful Python plotting library, and we will need it for the following recipes as well as more later on. It depends on NumPy, but in all likelihood, you already have NumPy installed.
We will see how matplotlib can be installed on Windows, Linux, and Mac OS X, and also how to install it from source:
It might be necessary to put the
msvcp71.dll file in your
C:\Windows\system32 directory. You can get it from http://www.dll-files.com/dllindex/dll-files.shtml?msvcp71.