Installing matplotlib.pyplot and Numpy for Python using pip-Win

Installing pip-Win:

Download the pip-Win from the following link. pip-Win_1.7.exe

Double click on the exe file and let it install. It will download all the dependedncies required. 

Note: Make sure you are connected to the Internet while the installation is in progress.

The installation happens only for the first time. from nex time you can directly run the same exe to open it.


Installing matplotlib.pyplot:

After the intallation of pip-Win you need to install matplotlib. Now open pip-Win.exe.

In the python Interpereter set your path where the python is present. ex: c:\python27\python.exe
in command type "pip  install matplotlib" and click on run.

Note: it will take a couple of time to install the following package. Once it is done you are ready to use the package.

Other useful references:
Installing Mplab on other Linux Distro's and other method to install on windows.
Drawing graphs basic tutorial