Installing matplotlib using pip gives error
<p>I am new to python and is using pip to download and install packages. I ran the following code on my command window and it throws an error</p>

<pre><code>pip install matplotlib
</code></pre>

<p>And the process starts as </p>

<pre><code>Collecting matplotlib
  Using cached matplotlib-1.5.3-cp27-cp27m-win32.whl
Collecting numpy&gt;=1.6 (from matplotlib)
  Using cached numpy-1.11.2-cp27-none-win32.whl
Collecting python-dateutil (from matplotlib)
  Using cached python_dateutil-2.5.3-py2.py3-none-any.whl
Collecting cycler (from matplotlib)
  Using cached cycler-0.10.0-py2.py3-none-any.whl
Collecting pyparsing!=2.0.4,!=2.1.2,&gt;=1.5.6 (from matplotlib)
  Using cached pyparsing-2.1.10-py2.py3-none-any.whl
Collecting pytz (from matplotlib)
  Using cached pytz-2016.7-py2.py3-none-any.whl
Collecting six&gt;=1.5 (from python-dateutil-&gt;matplotlib)
  Using cached six-1.10.0-py2.py3-none-any.whl
Installing collected packages: numpy, six, python-dateutil, cycler, pyparsing, pytz, matplotlib
Exception:
Traceback (most recent call last):
  File "c:\python27\lib\site-packages\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "c:\python27\lib\site-packages\pip\commands\install.py", line 317, in run
    prefix=options.prefix_path,
  File "c:\python27\lib\site-packages\pip\req\req_set.py", line 742, in install
    **kwargs
  File "c:\python27\lib\site-packages\pip\req\req_install.py", line 831, in install
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  File "c:\python27\lib\site-packages\pip\req\req_install.py", line 1032, in move_wheel_files
    isolated=self.isolated,
  File "c:\python27\lib\site-packages\pip\wheel.py", line 346, in move_wheel_files
    clobber(source, lib_dir, True)
  File "c:\python27\lib\site-packages\pip\wheel.py", line 324, in clobber
    shutil.copyfile(srcfile, destfile)
  File "c:\python27\lib\shutil.py", line 83, in copyfile
    with open(dst, 'wb') as fdst:
IOError: [Errno 13] Permission denied: 'c:\\python27\\Lib\\site-packages\\numpy\\core\\multiarray.pyd'
</code></pre>

<p>And it gives these traceback errors. I'm unable to figure out what these errors are and how to solve them. Please help. It works perfectly till collecting the packages but at the time of installing it throws errors.</p>

<p>Try <code>python -m pip install matplotlib</code>.</p>

<p>or</p>

<ol>
<li>Open the <code>cmd</code> as administrator </li>
<li>then <code>python -m pip install matplotlib</code></li>
</ol>

python matplotlib pip