Prepare for 3.6.1 release
This commit is contained in:
Evan Ward
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The Apache Commons Math team is pleased to announce the commons-math3-3.6 release!
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The Apache Commons Math project is a library of lightweight, self-contained mathematics
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and statistics components addressing the most common practical problems not immediately
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available in the Java programming language or commons-lang.
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Apache Commons Math 3.6.1 RELEASE NOTES
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The Apache Commons Math team is pleased to announce the release of
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commons-math3-3.6.1
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The Apache Commons Math project is a library of lightweight, self-contained
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mathematics and statistics components addressing the most common practical
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problems not immediately available in the Java programming language or
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commons-lang.
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This is a minor bug fix release. It incorporates three bug fixes since version
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3.6. The minimum version of the Java platform required to compile and use
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Commons Math 3.6.1 is Java 5.
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Changes in this version include:
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New features:
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o Added a RotationConvention enumerate to allow specifying the semantics
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or axis/angle for rotations. This enumerate has two values:
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VECTOR_OPERATOR and FRAME_TRANSFORM. Issue: MATH-1302,MATH-1303.
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o Added a field-based version of Ordinary Differential Equations framework.
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This allows integrating ode that refer to RealField elements instead of
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primitive double, hence opening the way to use DerivativeStructure to
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compute partial differential without using variational equations, or to solve
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ode with extended precision using Dfp. Issue: MATH-1288.
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o Added a nth order Brent solver for general real fields, replacing the former
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solver that was restricted to Dfp fields only.
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o New "Range" inner class of "o.a.c.m.util.IntegerSequence". Issue: MATH-1286.
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o "AggregateSummaryStatistics" can now aggregate any kind of
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"StatisticalSummary". Issue: MATH-837.
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o Deep copy of "Network" (package "o.a.c.m.ml.neuralnet") to allow evaluation of
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of intermediate states during training. Issue: MATH-1278.
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o Added negative zero support in FastMath.pow. Issue: MATH-1273. Thanks to Qualtagh.
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o Various SOFM visualizations (in package "o.a.c.m.ml.neuralnet.twod.util"):
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Unified distance matrix, hit histogram, smoothed data histograms,
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topographic error, quantization error. Issue: MATH-1270.
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o New interfaces to be implemented by algorithms that visualizes properties
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of a "NeuronSquareMesh2D" (package "o.a.c.m.ml.neuralnet.twod.util"). Issue: MATH-1268.
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o Reimplemented pow(double, double) in FastMath, for better accuracy in
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integral power cases and trying to fix erroneous JIT optimization again.
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o Added a pow(double, long) method in FastMath.
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o "NeuronSquareMesh2D" (package "o.a.c.m.ml.neuralnet.twod") implements "Iterable". Issue: MATH-1265.
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o "MapUtils" (package "o.a.c.m.ml.neuralnet"): Method to sort units according to distance
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from a given vector. Issue: MATH-1264.
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o Accessor (class "o.a.c.m.ml.neuralnet.twod.NeuronSquareMesh2D"). Issue: MATH-1263.
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o New "IntegerSequence" class (in package "o.a.c.m.util") with "Incrementor" inner class. Issue: MATH-1259.
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o "Neuron" class (package "o.a.c.m.ml.neuralnet"): added methods that can be used
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to assess concurrency performance. Issue: MATH-1250.
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o Method "cosAngle" in "o.a.c.m.util.MathArrays". Issue: MATH-1244.
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Fixed Bugs:
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o Improved performance and accuracy of 2-sample KolmogorovSmirnov tests. Issue: MATH-1310.
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o Detect start failures with multi-step ODE integrators. Issue: MATH-1297.
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o Fixed stability issues with Adams-Bashforth and Adams-Moulton ODE integrators.
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The integrators did not estimate the local error properly and were sometimes
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stuck attempting to reduce indefinitely the step size as they thought the
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error was too high. Thanks to Julien Queyrel.
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o Increased default value for number of allowed evaluations in
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"o.a.c.m.optim.univariate.BracketFinder". Issue: MATH-1295. Thanks to Luke Lindsay.
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o Fixed potential race condition in PolynomialUtils#buildPolynomial in
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case polynomials are generated from multiple threads. Furthermore, the
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synchronization is now performed on the coefficient list instead of the class. Issue: MATH-1294. Thanks to Kamil Włodarczyk.
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o Fixed FastMath.exp that potentially returned NaN for non-NaN argument. Issue: MATH-1269.
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o Updated reference in ZipfDistribution's javadoc. Issue: MATH-1285. Thanks to Pim van der Hoorn.
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o Fixed "Gamma#gamma(double)" for negative values smaller than -20. Issue: MATH-1283. Thanks to Jean Noel Delavalade.
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o Fixed javadoc of methods {floorDiv,floorMod} in class "FastMath". Issue: MATH-1237. Thanks to Ken Williams.
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o Check precondition (class "o.a.c.m.random.EmpiricalDistribution"). Issue: MATH-1279.
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o Fixed incorrect Kendall's tau coefficient calculation due to internal integer overflow. Issue: MATH-1277. Thanks to Marc Rosen.
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o Fixed split/side inconsistencies in BSP trees. Issue: MATH-1266.
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o Avoid overflow in "Fraction" (multiplication or division by an int). Issue: MATH-1261. Thanks to Osamu Ikeuchi.
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o Added check for equal array lengths to distance measure functions. Issue: MATH-1258. Thanks to Gunel Jahangirova.
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o Better accuracy in computation of cumulative probability of "NormalDistribution"
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(package "o.a.c.m.distribution"). Issue: MATH-1257. Thanks to Bill Murphy.
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o Boundary check to construct an "Interval" (package "o.a.c.m.geometry.euclidean.oned"). Issue: MATH-1256.
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o Wrong neighbourhood size in class "KohonenUpdateAction" (package "o.a.c.m.ml.neuralnet.sofm"). Issue: MATH-1255.
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o ResizableDoubleArray constructor does not work with double array of size 1. Issue: MATH-1252. Thanks to John Bay.
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o Fixed initial value of "number of calls" counter in class "KohonenUpdateAction"
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(package "o.a.c.m.ml.neuralnet.sofm"). Issue: MATH-1251.
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o Removed unnecessary allocations in "BigFraction" (package "o.a.c.m.fraction"). Issue: MATH-1248. Thanks to Chris Popp.
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o Fixed error in computing discrete distribution of D statistics for small-sample
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2-sample Kolmogorov-Smirnov tests. Error was causing incorrect p-values returned
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by exactP and monteCarloP methods (used by default for small, mid-size samples). Issue: MATH-1245.
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o "KolmogorovSmirnovTest#ksSum(...)" returned wrong result in case the provided
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t-parameters was zero. This affected the calculation of "approximateP(...)" for
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identical samples. Issue: MATH-1240.
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o Improved performance to calculate the two-sample Kolmogorov-Smirnov test
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via monte carlo simulation ("KolmogorovSmirnovTets#monteCarloP(...)"). Issue: MATH-1242. Thanks to Otmar Ertl.
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o A "StackOverflowException" was thrown when passing Double.NaN or infinity
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to "Gamma#digamma(double)" or "Gamma#trigamma(double)". Now the input value
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is propagated to the output if it is not a real number. Issue: MATH-1241. Thanks to Aleksei Dievskii.
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o Improved performance of calculating the two-sample Kolmogorov-Smirnov
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test statistic. Issue: MATH-1232. Thanks to Otmar Ertl.
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o Fixed error message for unknown parameter name in ODE. Issue: MATH-1232.
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o Fixed wrong event detection in case of close events pairs. Issue: MATH-1226.
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o Fix potential branching errors in "FastMath#pow(double, double)" when
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passing special values, i.e. infinity, due to erroneous JIT optimization.
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o Fixed equals/hashcode contract failure for Dfp. Issue: MATH-1118.
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o Fixed wrong splitting of huge number in extended accuracy algorithms. Issue: MATH-1223.
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o Improve performance of "BetaDistribution#sample()" by using Cheng's algorithm. Issue: MATH-1153. Thanks to Sergei Lebedev.
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o Computation of 2-sample Kolmogorov-Smirnov statistic in case of ties
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was not correct. Issue: MATH-1197.
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o MATH-1316: Fix code example in User Guide > Statistics > Multiple linear regression.
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o MATH-1342: Fix ODE integrators when multiple events are nearly simultaneous.
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Changes:
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o Modified 2-sample KolmogorovSmirnovTest to handle ties in sample data. By default,
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ties are broken by adding random jitter to input data. Also added bootstrap method
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analogous to ks.boot in R Matching package. Issue: MATH-1246.
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o Added bootstrap method to KolmogorovSmirnov test. Issue: MATH-1246.
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o Added constructors taking sample data as arguments to enumerated real and integer distributions. Issue: MATH-1287.
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o Improved performance of sampling and inverse cumulative probability calculation
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for geometric distributions. Issue: MATH-1276.
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o Representation of Kolmogorov-Smirnov statistic as integral value. Issue: MATH-1274.
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o Faster generation of Zipf distributed random numbers by using rejection-inversion sampling. Issue: MATH-1220.
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o Improved performance of sort-in-place methods by avoiding boxing. Issue: MATH-990.
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o Refactored implementation of the "miscrosphere projection"
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interpolation algorithm.
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New classes: "MicrosphereProjectionInterpolator",
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"InterpolatingMicrosphere" and "InterpolatingMicrosphere2D"
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replace "MicrosphereInterpolator" and "MicrosphereInterpolatingFunction".
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(package "o.a.c.m.analysis.interpolation"). Issue: MATH-1243.
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o MATH-1317: Add uniformity unit tests to "RandomGeneratorAbstractTest".
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Have fun!
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-Apache Commons Math team
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For complete information on Apache Commons Math, including instructions on how
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to submit bug reports, patches, or suggestions for improvement, see the Apache
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Commons Math website:
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http://commons.apache.org/proper/commons-math/
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6
pom.xml
6
pom.xml
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@ -24,7 +24,7 @@
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-math3</artifactId>
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<version>3.7-SNAPSHOT</version>
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<version>3.6.1</version>
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<name>Apache Commons Math</name>
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<inceptionYear>2003</inceptionYear>
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@ -369,9 +369,9 @@
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<!-- This value must reflect the current name of the base package. -->
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<commons.osgi.symbolicName>org.apache.commons.math3</commons.osgi.symbolicName>
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<!-- do not use snapshot suffix here -->
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<commons.release.version>3.6</commons.release.version>
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<commons.release.version>3.6.1</commons.release.version>
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<commons.release.desc>(requires Java 1.5+)</commons.release.desc>
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<commons.rc.version>RC2</commons.rc.version>
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<commons.rc.version>RC1</commons.rc.version>
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<commons.binary.suffix>-bin</commons.binary.suffix>
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<commons.release.2.version>2.2</commons.release.2.version>
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@ -50,7 +50,7 @@ If the output is not quite correct, check for invisible trailing spaces!
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<title>Commons Math Release Notes</title>
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</properties>
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<body>
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<release version="3.6.1" date="2016-03-17" description="
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<release version="3.6.1" date="2016-03-21" description="
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This is a minor bug fix release. It incorporates three bug fixes since version 3.6.
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The minimum version of the Java platform required to compile and use
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@ -27,6 +27,8 @@
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<item name="Overview" href="/index.html"/>
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<item name="Downloads" href="http://commons.apache.org/math/download_math.cgi"/>
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<item name="Latest API docs (development)" href="apidocs/index.html"/>
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<item name="Javadoc (3.6.1 release)"
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href="http://commons.apache.org/math/javadocs/api-3.6.1/index.html"/>
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<item name="Javadoc (3.6 release)"
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href="http://commons.apache.org/math/javadocs/api-3.6/index.html"/>
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<item name="Javadoc (3.5 release)"
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@ -95,32 +95,32 @@ limitations under the License.
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</p>
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</subsection>
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</section>
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<section name="Apache Commons Math 3.6 (requires Java 1.5+)">
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<section name="Apache Commons Math 3.6.1 (requires Java 1.5+)">
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<subsection name="Binaries">
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<table>
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<tr>
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<td><a href="[preferred]/commons/math/binaries/commons-math3-3.6-bin.tar.gz">commons-math3-3.6-bin.tar.gz</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6-bin.tar.gz.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6-bin.tar.gz.asc">pgp</a></td>
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<td><a href="[preferred]/commons/math/binaries/commons-math3-3.6.1-bin.tar.gz">commons-math3-3.6.1-bin.tar.gz</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6.1-bin.tar.gz.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6.1-bin.tar.gz.asc">pgp</a></td>
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</tr>
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<tr>
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<td><a href="[preferred]/commons/math/binaries/commons-math3-3.6-bin.zip">commons-math3-3.6-bin.zip</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6-bin.zip.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6-bin.zip.asc">pgp</a></td>
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<td><a href="[preferred]/commons/math/binaries/commons-math3-3.6.1-bin.zip">commons-math3-3.6.1-bin.zip</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6.1-bin.zip.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/binaries/commons-math3-3.6.1-bin.zip.asc">pgp</a></td>
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</tr>
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</table>
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</subsection>
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<subsection name="Source">
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<table>
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<tr>
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<td><a href="[preferred]/commons/math/source/commons-math3-3.6-src.tar.gz">commons-math3-3.6-src.tar.gz</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6-src.tar.gz.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6-src.tar.gz.asc">pgp</a></td>
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<td><a href="[preferred]/commons/math/source/commons-math3-3.6.1-src.tar.gz">commons-math3-3.6.1-src.tar.gz</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6.1-src.tar.gz.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6.1-src.tar.gz.asc">pgp</a></td>
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</tr>
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<tr>
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<td><a href="[preferred]/commons/math/source/commons-math3-3.6-src.zip">commons-math3-3.6-src.zip</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6-src.zip.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6-src.zip.asc">pgp</a></td>
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<td><a href="[preferred]/commons/math/source/commons-math3-3.6.1-src.zip">commons-math3-3.6.1-src.zip</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6.1-src.zip.md5">md5</a></td>
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<td><a href="http://www.apache.org/dist/commons/math/source/commons-math3-3.6.1-src.zip.asc">pgp</a></td>
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</tr>
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</table>
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</subsection>
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