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<html>
<head>
<title>
ASA032 - the Incomplete Gamma Function
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
ASA032 <br> the Incomplete Gamma Function
</h1>
<hr>
<p>
<b>ASA032</b>
is a MATLAB library which
evaluates the incomplete Gamma function,
by G Bhattacharjee.
</p>
<p>
<b>ASA032</b> is Applied Statistics Algorithm 32. Source code for many
Applied Statistics Algorithms is available through
<a href = "http://lib.stat.cmu.edu/apstat">STATLIB</a>.
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>ASA032</b> is available in
<a href = "../../c_src/asa032/asa032.html">a C version</a> and
<a href = "../../cpp_src/asa032/asa032.html">a C++ version</a> and
<a href = "../../f77_src/asa032/asa032.html">a FORTRAN77 version</a> and
<a href = "../../f_src/asa032/asa032.html">a FORTRAN90 version</a> and
<a href = "../../m_src/asa032/asa032.html">a MATLAB version.</a>
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../m_src/asa147/asa147.html">
ASA147</a>,
a MATLAB library which
evaluates the incomplete Gamma function.
</p>
<p>
<a href = "../../m_src/asa239/asa239.html">
ASA239</a>,
a MATLAB library which
evaluates the incomplete Gamma function.
</p>
<p>
<a href = "../../f_src/dcdflib/dcdflib.html">
DCDFLIB</a>,
a FORTRAN90 library which
evaluates and inverts a number of statistical distributions.
</p>
<p>
<a href = "../../cpp_src/gsl/gsl.html">
GSL</a>,
a C++ library which
includes many routines for evaluating
probability distributions.
</p>
<p>
<a href = "../../m_src/prob/prob.html">
PROB</a>,
a MATLAB library which
evaluates and inverts a number of probabilistic distributions.
</p>
<p>
<a href = "../../m_src/test_values/test_values.html">
TEST_VALUES</a>,
a MATLAB library which
contains sample values for a number of distributions.
</p>
<p>
<a href = "../../f77_src/toms435/toms435.html">
TOMS435</a>,
a FORTRAN77 library which
evaluates the modified incomplete Gamma function.
</p>
<p>
<a href = "../../f_src/toms708/toms708.html">
TOMS708</a>,
a FORTRAN90 library which
includes routines to evaluate the incomplete Gamma function.
</p>
<h3 align = "center">
Author:
</h3>
<p>
Original FORTRAN77 version by G Bhattacharjee;
MATLAB version by John Burkardt.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
G Bhattacharjee,<br>
Algorithm AS 32:
The Incomplete Gamma Integral,<br>
Applied Statistics,<br>
Volume 19, Number 3, 1970, pages 285-287.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "alngam.m">alngam.m</a> computes the logarithm of the gamma function.
</li>
<li>
<a href = "gamain.m">gamain.m</a> computes the incomplete gamma ratio.
</li>
<li>
<a href = "gamma_inc_values.m">gamma_inc_values.m</a>
returns some values of the incomplete Gamma function.
</li>
<li>
<a href = "timestamp.m">timestamp.m</a>
prints out the current YMDHMS date as a timestamp.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "asa032_test.m">asa032_test.m</a>,
calls all the tests.
</li>
<li>
<a href = "asa032_test01.m">asa032_test01.m</a>,
tests GAMAIN.
</li>
<li>
<a href = "asa032_test_output.txt">asa032_test_output.txt</a>,
the output file.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../fm_src.html">
the MATLAB source codes</a>.
</p>
<hr>
<i>
Last revised on 17 January 2008.
</i>
<!-- John Burkardt -->
</body>
<!-- Initial HTML skeleton created by HTMLINDEX. -->
</html>