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From tobr...@apache.org
Subject cvs commit: jakarta-commons-sandbox/math/xdocs tasks.xml
Date Wed, 21 May 2003 15:11:54 GMT
tobrien     2003/05/21 08:11:54

  Modified:    math/xdocs tasks.xml
  Log:
  xdoc tasks.xml was updated to reflect tasks pertaining to the next planned
  release.  There tasks were lifted from Phil S. earlier message to
  commons-dev@
  
  Revision  Changes    Path
  1.2       +113 -49   jakarta-commons-sandbox/math/xdocs/tasks.xml
  
  Index: tasks.xml
  ===================================================================
  RCS file: /home/cvs/jakarta-commons-sandbox/math/xdocs/tasks.xml,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- tasks.xml	20 May 2003 10:27:26 -0000	1.1
  +++ tasks.xml	21 May 2003 15:11:54 -0000	1.2
  @@ -1,59 +1,123 @@
   <?xml version="1.0"?>
   
   <document>
  -  <properties>
  -    <title>Tasks: Done And To Do</title>
  -    <author email="jstrachan@apache.org">James Strachan</author>
  -  </properties>
  + <properties>
  +  <title>Tasks: Done And To Do</title>
  + </properties>
   
  -  <body>
  -        <section name='Aim'>
  -            <p>
  -This page aims to be a handy reference not only of the work done but also of work pending.
  -Users who want new features should submit patches to this page. Developers who want to
lend
  -a hand can grab tasks from this page. Everyone can see the progress which is being made.
  -        </p>
  -    </section>
  + <body>
  +  <section name='Aim'>
  +   <p>
  +    This page aims to be a handy reference not only of the work done but 
  +    also of work pending for the next planned release. Users who want new 
  +    features should submit patches to this page in the unclassified section
  +    of this document. Developers who want to lend a hand can grab tasks from 
  +    this page. Everyone can see the progress which is being made.
  +   </p>
  +  </section>
       
  -    <section name="TODO list">
  -      <p>
  -        The following is a list of items still <code>TODO</code> for 
  -        Math.  Contributions are welcome! 
  -      </p>
  +  <section name="TODO list">
  +   <p>
  +    The following is a list of items still <code>TODO</code> for 
  +    Math.  Contributions are welcome! 
  +   </p>
       
  -    <subsection name="High priority"> 
  -      <ul>
  -        <li>
  -            <strong>Fill Me In!</strong>
  -            With A High Priority Task
  -        </li>
  -       </ul>
  -    </subsection>
  +   <subsection name="High priority"> 
  +    <ul>
  +     <li>
  +      <strong>Fill Me In!</strong>
  +      With A High Priority Task
  +     </li>
  +    </ul>
  +   </subsection>
       
  -    <subsection name="Medium priority"> 
  -      <ul>
  -            <li>
  -                <strong>Fill Me In</strong>
  -                With A Medium Priority Task
  -            </li>
  -      </ul>
  -    </subsection>
  +   <subsection name="Medium priority"> 
  +    <ul>
  +     <li>
  +      <strong>Fill Me In</strong>
  +      With A Medium Priority Task
  +     </li>
  +    </ul>
  +   </subsection>
       
  -    <subsection name="Low priority"> 
  -      <ul>
  -        <li>
  -                <strong>Fill Me In</strong>
  -                With A Low Priority Task
  -        </li>
  -      </ul>
  -    </subsection>
  -</section>
  -<section name='Completed'>
  -    <subsection name='Since Conception'>
  -        <ul>
  -        </ul>
  -    </subsection>
  -</section>
  -</body>
  +   <subsection name="Low priority"> 
  +    <ul>
  +     <li>
  +      <strong>Fill Me In</strong>
  +      With A Low Priority Task
  +     </li>
  +    </ul>
  +   </subsection>
  +
  +   <subsection name="Unclassified priority"> 
  +    Tasklist is based on an email from Phil Steitz on May 21, 2003
  +    <ul>
  +     <li>
  +      Add quantiles (1,5,10,25,50,75,90,95,99) to all Univaraite
  +      implementations and bootstrap confidence intervals to StoredUnivariate
  +      implementations.
  +     </li>
  +     <li>
  +      Add higher order moments to StoredUnivariate (UnivariateImpl 
  +      if possible).
  +     </li>
  +     <li>
  +      t-test statistic needs to be added and we should probably add the
  +      capability of actually performing t- and chi-square tests at fixed
  +      significance levels (.1, .05, .01, .001).
  +     </li>
  +     <li>
  +      numerical approximation of the t- and chi-square distributions to
  +      enable user-supplied significance levels.      
  +     </li>
  +     <li>
  +      The RealMatrixImpl class is missing some key method implementations.
  +      The critical thing is inversion.  We need to implement a numerically
  +      sound inversion algorithm.  This will enable solve() and also
  +      support general linear regression.
  +     </li>
  +     <li>
  +      ComplexNumber interface and implementation.  The only tricky thing
  +      here is making division numerically sound and what extended value
  +      topology to adopt.
  +     </li>
  +     <li>
  +      Bivariate Regression, corellation.  This could be done with simple
  +      formulas manipulating arrays and this is probably what we should aim
  +      for in an initial release.  Down the road, we should use the
  +      RealMatrixImpl solve() to support general linear regression.
  +     </li>
  +     <li>
  +      Binomial coefficients  An "exact" implementation that is
  +      limited to what can be stored in a long exists.  This should be 
  +      extended to use BigIntegers and potentially to support logarithmic
  +      representations.
  +     </li>
  +     <li>
  +      Newton's method for finding roots
  +     </li>
  +     <li>
  +      Exponential growth and decay 
  +     </li>
  +     <li>
  +      Polynomial Interpolation (curve fitting)
  +     </li>
  +     <li>
  +      Sampling from Collections
  +     </li>
  +     <li>
  +      Addition of a Arithmetic Geometric Mean
  +     </li>
  +    </ul>
  +   </subsection>
  +
  +  </section>
  +  <section name='Completed'>
  +   <subsection name='Since Conception'>
  +    <ul>
  +    </ul>
  +   </subsection>
  +  </section>
  + </body>
   </document>
   
  
  
  

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