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    <p>This table summarizes what's new in Version 2.3.1:</p>
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          <th bgcolor="#B2B2B2" valign="top"><p>New Features and Changes</p></th>
          <th bgcolor="#B2B2B2" valign="top"><p>Version Compatibility Considerations</p></th>
          <th bgcolor="#B2B2B2" valign="top"><p>Fixed Bugs and Known Problems</p></th>
          <th bgcolor="#B2B2B2" valign="top"><p>Related Documentation at Web Site</p></th>
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          <td bgcolor="#F2F2F2"><p>Yes<br>Details below</p></td>
          <td bgcolor="#F2F2F2"><p>No</p></td>
          <td bgcolor="#F2F2F2"><p><a href="https://ed.fbk.eu/ltpda/mantis/login_page.php" target="_top">Bug Reports</a> at Web site</p></td>
          <td bgcolor="#F2F2F2"><p>Printable Release Notes: <a href="http://www.lisa.aei-hannover.de/ltpda/downloads/version231/files/Release_Notes_v2.3.1.pdf" target="_top">PDF</a></p></td>
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    <ul>
      <li><p><a href="#introduction">Introduction</a></p></li>
      <li><p><a href="#newFeatures">New toolbox features</a></p></li>
      <li><p><a href="#newFunctions">Changes, New Algorithms and Functions</a></p></li>
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    <h3 class="title" id="introduction">Introduction</h3>
    <p>This version of LTPDA is 2.3.1. This document lists the changes since V2.3.</p>

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    <h3 class="title" id="newFeatures">New toolbox features</h3>
    <p>As well as a large number of bug fixes, version 2.3.1 of LTPDA has various significant changes and new features.</p>
    <ul>
      <li><p>The user can now open multiple instances of the LTPDA workbench.</p></li>
      <li><p>The history graph of objects contained in plists inside the history of other objects is now displayed when using <b>viewHistory</b>.</p></li>
      <li><p>It is now possible to run <b>LTPDAworkbench</b> files without opening the GUI: <b>LTPDAworkbench.run(&lsquo;foo.lwb&rsquo;);</b></p></li>
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    <h3 class="title" id="newFunctions">Changes, New Algorithms and Functions</h3>
    <ul>
      <li><p><b>ao/timeaverage</b> - A method to average time series intervals and return a reduced timeseries where each point represents the average of a stretch of data</p></li>
      <li><p><b>matrix/crb</b> - Computes the inverse of the Fisher Matrix for the given, signals, noisespectra and models in the matrix objects</p></li>
      <li><p><b>matrix/mcmc</b> - Compute log-likelihood for matrix objects</p></li>
      <li><p><b>ao/buildWhitener</b> - Builds a whitening filter for the input AO</p></li>
      <li><p><b>ao/zeropad</b> - Can now prepad as well as post-pad</p></li>
      <li><p><b>ao/cos, ao/acos, ao/asin, ao/atan</b> - Now include proper error calculation</p></li>
    </ul>

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