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<center><b><big><big>L1 Regularization Routines</big></big></b></center>
<br/>
<b><big><a name="What's new" id="What's new">What's new</a></big></b>
<br/>
See <a href="whats_new.xml" target="_top">Changes and Additions to l1_regular</a>.

<br/>
<br/>
<b><big><a name="System Requirements" id="System Requirements">System Requirements</a></big></b>
<br/>
These L1 regularization routines run under both the 
<a href="http://www.mathworks.com/" target="_top"><span style='white-space: nowrap'>Matlab&#174;</span></a>

and 
<a href="http://www.gnu.org/software/octave/" target="_top"><span style='white-space: nowrap'>Octave</span></a>


<br/>
<br/>
<b><big><a name="Download Instructions" id="Download Instructions">Download Instructions</a></big></b>
<br/>
Download the file
<a href="http://www.seanet.com/~bradbell/l1_regular.zip" target="_top"><span style='white-space: nowrap'>l1_regular.zip</span></a>

If you are using unix, or cygwin under Windows, use the command
<code><font color="blue">
<span style='white-space: nowrap'><br/>
&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;unzip&#xA0;l1_regular.zip<br/>
</span>
</font></code>
This will
create the <code><font color="blue"><span style='white-space: nowrap'>l1_regular-</span></font></code><i><span style='white-space: nowrap'>yy</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>mm</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>dd</span></i> directory
where <i>yy</i> is the year, <i>mm</i> is the month,
and <i>dd</i> is the day corresponding to this version of l1_regular.
Otherwise (if you are using Windows) use
<a href="http://www.winzip.com" target="_top"><span style='white-space: nowrap'>WinZip</span></a>

or some other program to decompress the archive and 
to create the <code><font color="blue"><span style='white-space: nowrap'>l1_regular-</span></font></code><i><span style='white-space: nowrap'>yy</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>mm</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>dd</span></i> directory.

<br/>
<br/>
<b><big><a name="Test Install" id="Test Install">Test Install</a></big></b>
<br/>
Using Matlab&#174; or Octave, run the program
<code><font color="blue"><span style='white-space: nowrap'><br/>
&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;l1_regular-</span></font></code><i><span style='white-space: nowrap'>yy</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>mm</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>dd</span></i><code><font color="blue"><span style='white-space: nowrap'>/test/all_ok.m<br/>
</span></font></code>It will print the test results for all the components of l1_regular.

<br/>
<br/>
<b><big><a name="Documentation" id="Documentation">Documentation</a></big></b>
<br/>
A copy of the documentation for your version of l1_regular can 
be viewed by loading
<code><font color="blue"><span style='white-space: nowrap'><br/>
&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;l1_regular-</span></font></code><i><span style='white-space: nowrap'>yy</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>mm</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>dd</span></i><code><font color="blue"><span style='white-space: nowrap'>/doc/l1_regular.xml<br/>
</span></font></code>or
<code><font color="blue"><span style='white-space: nowrap'><br/>
&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;l1_regular-</span></font></code><i><span style='white-space: nowrap'>yy</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>mm</span></i><code><font color="blue"><span style='white-space: nowrap'>-</span></font></code><i><span style='white-space: nowrap'>dd</span></i><code><font color="blue"><span style='white-space: nowrap'>/doc/l1_regular.htm<br/>
</span></font></code>into your browser.
The xml version is easier to read 
(if your browser supports XHTML + MATHML).

<br/>
<br/>
<b><big><a name="Contents" id="Contents">Contents</a></big></b>
<br/>
<table>
<tr><td><a href="_contents_xml.htm" target="_top">_contents</a></td><td>Table&#xA0;of&#xA0;Contents</td></tr><tr><td><a href="l1_with_l2.xml" target="_top">l1_with_l2</a></td><td>Combined&#xA0;L1&#xA0;and&#xA0;L2&#xA0;Fitting&#xA0;and&#xA0;or&#xA0;Regularization</td></tr><tr><td><a href="l1_quadratic.xml" target="_top">l1_quadratic</a></td><td>L2&#xA0;Objective&#xA0;with&#xA0;L1&#xA0;Regularization</td></tr><tr><td><a href="l1_linear.xml" target="_top">l1_linear</a></td><td>L1&#xA0;Objective&#xA0;with&#xA0;L1&#xA0;Regularization</td></tr><tr><td><a href="whats_new.xml" target="_top">whats_new</a></td><td>Changes&#xA0;and&#xA0;Additions&#xA0;to&#xA0;l1_regular</td></tr><tr><td><a href="_reference.xml" target="_top">_reference</a></td><td>Alphabetic&#xA0;Listing&#xA0;of&#xA0;Cross&#xA0;Reference&#xA0;Tags</td></tr><tr><td><a href="_index.xml" target="_top">_index</a></td><td>Keyword&#xA0;Index</td></tr><tr><td><a href="_search_xml.htm" target="_top">_search</a></td><td>Search&#xA0;L1&#xA0;Fitting&#xA0;and&#xA0;Regularization</td></tr><tr><td><a href="_external.xml" target="_top">_external</a></td><td>External&#xA0;Internet&#xA0;References</td></tr></table>
<hr/>Input File: l1_regular.omh

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