2004-09-19 18:48:03 -04:00
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<?xml version="1.0"?>
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<!--
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2005-04-01 15:49:27 -05:00
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Copyright 2004-2005 The Apache Software Foundation
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2004-09-19 18:48:03 -04:00
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!--
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This file is used by the maven-changes-plugin to generate the release notes.
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Useful ways of finding items to add to this file are:
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1. Add items when you fix a bug or add a feature (this makes the
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release process easy :-).
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2. Do a bugzilla search for tickets closed since the previous release.
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3. Use the report generated by the maven-changelog-plugin to see all
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CVS commits. Set the project.properties' maven.changelog.range
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property to the number of days since the last release.
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The <action> type attribute can be add,update,fix,remove.
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-->
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<document>
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<properties>
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<title>Commons Math Release Notes</title>
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</properties>
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<body>
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2005-02-05 00:49:45 -05:00
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<release version="1.1" date="In Development"
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description="Jakarta Commons Math 1.1 - Development">
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2005-04-01 15:45:21 -05:00
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<action dev="brentworden" type="fix" due-to="Ben Litchfield">
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Fixed bug in PolynomialSplineFunction to allow evaluation of the
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function at the last knot point.
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</action>
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2005-03-16 22:20:12 -05:00
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<action dev="brentworden" type="add">
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Added Weibull distribution implementation.
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</action>
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2005-02-23 22:59:05 -05:00
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<action dev="brentworden" type="add">
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Added Cauchy distribution implementation.
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</action>
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2005-02-05 01:24:20 -05:00
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<action dev="brentworden" type="add">
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Added convience methods for rounding.
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</action>
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2005-02-05 00:49:45 -05:00
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<action dev="brentworden" type="add" due-to="C. Scott Ananian">
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Added Fraction class based on commons-lang implementation. With the
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fraction class, FractionFormat and ProperFractionFormat classes were
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added to provide fraction formatting and parsing.
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</action>
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</release>
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2004-12-05 12:21:30 -05:00
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<release version="1.0" date="2004-12-06"
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description="Jakarta Commons Math 1.0 - General Availability Release">
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<action dev="psteitz" type="fix" due-to="Hans van der Heijden" issue="32531">
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Fixed error in ChiSquareTestImpl. Tables containing zeros were (incorrectly)
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causing IllegalArgumentExceptions to be thrown.
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</action>
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2004-12-06 01:03:01 -05:00
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<action dev="psteitz" type="fix" issue="32538">
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Removed JDK 1.4-dependent code from CertifiedDataAbstractTest,
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InvalidMatrixException and MatrixIndexException. Also dropped
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BeanTransformer, BeanTransformerTest from the release.
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</action>
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2004-12-05 12:21:30 -05:00
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</release>
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<release version="1.0-RC2" date="2004-11-07"
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description="Jakarta Commons Math 1.0 - Release Candidate 2">
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2004-09-19 18:48:03 -04:00
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<action dev="psteitz" type="fix">
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Fixed cumulative frequency and cumulative percentage problem reported
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to the commons-dev list by Jon Langlois on 9/14. Integer arguments to
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getCumXxx were always returning 0 due to type conversion problems.
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</action>
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2004-10-08 02:25:18 -04:00
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<action dev="brentworden" type="fix" issue="31325">
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2004-10-08 02:15:51 -04:00
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Fixed locale-dependency in ComplexFormat.
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</action>
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<action dev="psteitz" type="update">
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Renamed univariate package to descriptive and multivariate to regression.
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</action>
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2004-10-08 02:25:18 -04:00
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<action dev="psteitz" type="update" due-to="Ken Geis" issue="31522">
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2004-10-08 02:15:51 -04:00
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Improved efficiency of logGamma method in o.a.c.m.special.Gamma
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2004-09-25 22:08:47 -04:00
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</action>
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2004-10-14 01:10:09 -04:00
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<action dev="psteitz" type="update" due-to="Kim van der Linde" issue="30897 ">
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Added subMatrix and matrix-valued row and column accessor methods to
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2004-10-25 01:37:32 -04:00
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RealMatrix, BigMatrix interfaces and RealMatrixImpl, BigMatrixImpl.
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2004-10-14 01:10:09 -04:00
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</action>
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<action dev="psteitz" type="update">
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2004-10-25 01:37:32 -04:00
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Implemented equals and hashCode in RealMatrixImpl and BigMatrixImpl.
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2004-10-14 01:10:09 -04:00
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</action>
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<action dev="psteitz" type="fix">
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2004-10-25 01:37:32 -04:00
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Fixed RealMatrixImpl, BigMatrixImpl toString methods to handle empty matrix.
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2004-10-14 01:10:09 -04:00
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</action>
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<action dev="psteitz" type="update">
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Added support for "population" variance and standard deviation in
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Variance (resp. StandardDeviation) classes.
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</action>
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<action dev="psteitz" type="update">
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2004-10-25 01:37:32 -04:00
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Removed data mutators from RealMatrix, BigMatrix interfaces and
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RealMatrixImpl, BigMatrixImpl. RealMatrix and BigMatrix instances
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are now immutable.
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2004-10-14 01:10:09 -04:00
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</action>
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<action dev="psteitz" type="update">
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2004-10-25 01:37:32 -04:00
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Added MatrixUtils class, including static factory methods to create
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RealMatrix and BigMatrix instances from arrays of various types.
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2004-10-14 01:10:09 -04:00
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</action>
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<action dev="psteitz" type="fix" due-to="Fredrik Norin" issue="31687">
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Changed factorial methods to return 1 for argument = 0, instead of
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(incorrectly) throwing IllegalArgumentException.
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</action>
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2004-10-24 13:52:16 -04:00
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<action dev="psteitz" type="fix" due-to="Kim van der Linde" issue="31860">
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2004-10-24 02:40:55 -04:00
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Fixed error in SimpleRegression.getSignificance. Value returned was
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off by a factor of 2 (did not match javadoc).
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2004-11-07 00:07:29 -05:00
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</action>
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<action dev="psteitz" type="update">
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Refactored distribution package so that mixed distributions and
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discrete distributions with non-integer values can be represented.
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Added Distribution base interface as well as IntegerDistribution
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extending DiscreteDistribution. Previously existing discrete
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distributions now implement IntegerDistribution.
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</action>
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<action dev="psteitz" type="update" due-to="Fredrik Norin" issue="31688">
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Added Poisson distribution implementation.
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</action>
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2004-11-07 15:31:23 -05:00
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<action dev="psteitz" type="fix" issue="31713">
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Eliminated unecessary array copy operations in RealMatrixImpl,
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BigMatrixImpl add, multiply, solve and subtract operations.
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</action>
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2004-09-19 18:48:03 -04:00
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</release>
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2004-12-05 12:21:30 -05:00
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<release version="1.0-RC1" date="2004-09-07"
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description="Jakarta Commons Math 1.0 - Release Candidate 1">
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2004-09-19 18:48:03 -04:00
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<action type="add">
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This is the first release of Commons Math. Commons Math is a library
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of lightweight, self-contained mathematics and statistics components.
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The release candidate is being made available so that users can test
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the release and provide feedback.
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2004-12-05 12:21:30 -05:00
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</action>
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2004-09-19 18:48:03 -04:00
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</release>
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</body>
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2004-10-08 02:15:51 -04:00
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</document>
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