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== About Pymutt ==

Pymutt is an implementation of Thomson's (1982) multi-taper fourier spectral
estimator plus a python interface.  The core code is due to Lees and
Park (1995) and uses the conventions of Percival and Walden (1993).


== Requirements ==

 * Building pymutt requires the python-dev package.
 * Using pymutt requires numpy.
 * Most of the examples also require matplotlib.


== Installation ==

Pymutt builds and installs properly on
    * win7-64 using 32-bit python
    * linux-64 using 64-bit python
It almost surely installs properly on
    * linux-32 and
    * win-32.
It currently fails on win7-64 using 64-bit python.

To install pymutt execute

    {{{python setup.py build}}}

and as root or administrator

    {{{python setup.py install}}}

On windows I used *mingw* and the *mingw shell*.


== Usage ==

Go to the examples subdirectory and execute

    {{{python runme.py}}}
    
and it will print out help for runme.py as well as the self docs for
pymutt.  To run a test case try

    {{{python runme.py -N 3}}}

and you should get a figure closely resembling Percival and Walden
figure 512.

Look at the code in *examples/minimalexamples.py* for some
easy-to-copy examples.


== Other Code ==

For a versatile, extensive, and newer fortran system for multi-taper
fourier transforms see

    http://uniandes.academia.edu/gprieto

For a python interface to the preceding see

    https://svn.geophysik.uni-muenchen.de/trac/mtspecpy/wiki

Also see http://nipy.org/nitime/ for an extensive time-series analysis
package including multi-taper spectral estimation.


== References ==

Lees, J.M., and J. Parks (1995), Multi-taper Spectral Analysis: A
    Stand-alone C Subroutine, Computers and Geology, 21(2), 199-236.
Percival, D.B., and A.T. Walden (1993) Spectral Analysis for Physical
    Applications, Cambridge University Press, Cambridge.
Thomson, D.J. (1982), Spectral Estimation and Harmonic Analysis, IEEE
    Proc., 70, 1055-1096.

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