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<title>avram - a virtual machine code interpreter: D.13 minpack</title>

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<a name="minpack"></a>
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<td valign="middle" align="left">[<a href="External-Libraries.html#External-Libraries" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
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<td valign="middle" align="left">[<a href="avram_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[<a href="Function-Index.html#Function-Index" title="Index">Index</a>]</td>
<td valign="middle" align="left">[<a href="avram_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
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<a name="minpack-1"></a>
<h2 class="section">D.13 <code>minpack</code></h2>

<p>The <code>minpack</code> library contains functions to solve non-linear
<a name="index-non_002dlinear-optimization-1"></a>
optimization and least squares problems. The functions can be
<a name="index-least-squares-4"></a>
expressed as
</p>
<table><tr><td>&nbsp;</td><td><pre class="example">library('minpack',f)
</pre></td></tr></table>

<p>where <code>f</code> can be one of <code>'hybrd'</code>, <code>'hybrj'</code>,
<code>'lmder'</code>, <code>'lmdif'</code>, or <code>'lmstr'</code>, following the names
of the underlying Fortran subroutines.
</p>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top"><a href="minpack-calling-conventions.html#minpack-calling-conventions">D.13.1 <code>minpack</code> calling conventions</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top"><a href="minpack-exceptions.html#minpack-exceptions">D.13.2 <code>minpack</code> exceptions</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top"><a href="Additional-minpack-notes.html#Additional-minpack-notes">D.13.3 Additional <code>minpack</code> notes</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
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