[Doc] Recommend to use pip to install optional Python packages on Ubuntu
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@ -369,6 +369,21 @@ library), which are also available from the above link. Matplotlib is required
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to run some of the Python examples. For Python 2, these packages can be
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installed with::
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pip2 install ipython matplotlib
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And for Python 3, these packages can be installed with::
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pip3 install ipython matplotlib
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You may need to install ``pip`` first; instructions can be found on the
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`pip installation instructions.
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<https://pip.pypa.io/en/latest/installing.html#install-pip>`_
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You may need to have superuser access to install packages into the system
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directories. Alternatively, you can add ``--user`` after ``pip install`` but
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before the package names to install into your local user directory. An
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alternative method is to use the Ubuntu repositories, but these tend to
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be very out of date. For Python 2, the command is::
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sudo aptitude install ipython python-matplotlib
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And for Python 3, these packages can be installed with::
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