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Posted to dev@commons.apache.org by to...@apache.org on 2003/05/21 17:11:54 UTC
cvs commit: jakarta-commons-sandbox/math/xdocs tasks.xml
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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