All Projects : Commons Math (Key: MATH)

Project Lead: Commons Developers
URL: http://commons.apache.org/math/

Release Notes

Change Log Scope: previous 3 versions | all versions 2.0 ( 07/Aug/09 | Release Notes)    MATH-152 FIXED Add MultiDimentional Support for FastFourier    MATH-203 FIXED Add general multiple linear regression    MATH-261 FIXED Add generics to Frequency    MATH-277 FIXED Add scalar multiply to Complex    MATH-157 FIXED Add support for SVD.    MATH-273 FIXED Basic variable is not found correctly in simplex tableau    MATH-215 FIXED Fast Hadamard Transform    MATH-252 FIXED Fraction.comparTo returns 0 for some differente fractions    MATH-189 FIXED FractionFormat should extend NumberFormat    MATH-258 FIXED Frequency class Javadoc is ambiguous; need more tests    MATH-207 FIXED Implementation of GeneticAlgorithm.nextGeneration() is wrong    MATH-253 FIXED MathRuntimeException and MathException are both thread-hostile.    MATH-241 FIXED MathUtils.binomialCoefficient(n,k) fails for large results    MATH-267 FIXED Need a digamma function    MATH-217 FIXED OLS regression should use QR decomposition    MATH-177 FIXED Provide a general minimizing package with a classical Gauss-Newton algorithm    MATH-197 FIXED RandomDataImpl.nextPoisson() is extreme slow for large lambdas    MATH-211 FIXED Refactor sample data input for multiple linear regression    MATH-246 FIXED Simplex Method Implementation    MATH-272 FIXED Simplex Solver arrives at incorrect solution    MATH-266 FIXED Support for Clustering Algorithms    MATH-254 FIXED UnivariateRealSolverUtils.factory is a mutable static field which is not initialised safely.    MATH-232 FIXED Would like to have RealMatrix.getFrobeniusNorm()    MATH-220 FIXED add JAMA-like API for decomposition algorithms in linear algebra    MATH-202 FIXED add getSwitchingFunctions() and clearSwitchingFunctions() to the FirstOrderIntegrator interface    MATH-280 FIXED bug in inverseCumulativeProbability() for Normal Distribution    MATH-214 FIXED fixed step Runge-Kutta integrators slightly change step size    MATH-236 FIXED nth-root of complex numbers    MATH-225 INVALID Deploy to central maven repo    MATH-276 FIXED Calculate isNan and isFinite in Complex constructor    MATH-216 FIXED Faster and more computationally-efficient Fast Fourier Transform implementation    MATH-213 FIXED FirstOrderIntegrator.integrate does not give back integration stop time when an event handler stops integration    MATH-230 FIXED Implement Sparse Matrix Support    MATH-178 FIXED Implement Zipf distribution    MATH-251 FIXED Improve the Fraction class to avoid overflow problems and increase features    MATH-240 FIXED MathUtils.factorial(n) fails for n >= 17    MATH-255 FIXED MessagesResources_fr has package-protected mutable static array; should be made private    MATH-193 FIXED Minor javadoc and style fixes    MATH-242 FIXED Missing tests in MathUtilsTest    MATH-279 FIXED MultipleLinearRegression - test for minimum number of samples    MATH-248 FIXED Multiplying sparse matrices is slow    MATH-212 FIXED Provide a way to copy all instances of StorelessUnivariateStatistic (e.g. Mean, Variance, Max, Kurtoise, etc), perhaps via a copy-constructor    MATH-223 FIXED QRDecomposition can easily be made to run about twice as fast    MATH-281 FIXED RealMatrix.subtract javadoc typo    MATH-231 FIXED User-extendable Abstract RealMatrix implementation    MATH-224 FIXED Utility method to aggregate Statistics    MATH-265 FIXED Utility methods for calculating the Euclidean distance between two points    MATH-114 FIXED [math] pearson cross correlation coefficient    MATH-136 FIXED [math] spearman rank cross correlation    MATH-245 FIXED introduce getSubVector methods into RealVector interface    MATH-234 FIXED setColumn and setRow methods for RealMatrixImpl class    MATH-274 FIXED testing for symmetric positive definite matrix in CholeskyDecomposition    MATH-250 INVALID Solver for rational and other equations    MATH-218 FIXED UnivariateRealSolver: Allow function to be passed as argument to the "solve" method    MATH-210 FIXED public method FirstOrderIntegrator.getSwitchingFunctions() return type references a package protected class 1.2 ( 24/Feb/08 | Release Notes)    MATH-307 UNRESOLVED BigReal/Fieldelement divide without setting a proper scale -> exception: no exact representable decimal result    MATH-153 FIXED RandomDataImpl nextInt(int, int) nextLong(long, long)    MATH-170 FIXED Create threadsafe versions of DescriptiveStatisticsImpl and DescriptiveStatistics    MATH-183 FIXED Findbugs Report    MATH-188 FIXED Make Complex and Fraction classes immutable and thus thread-safe    MATH-154 FIXED MathUtils addAndCheck and subAndCheck for long values    MATH-173 FIXED One-way ANOVA    MATH-191 FIXED SummaryStatistics computes sum of logs but does not provide access to it    MATH-175 FIXED chiSquare(double[] expected, long[] observed) is returning incorrect test statistic    MATH-163 WON'T FIX The evaluate method and the getResult method of class Variance give different results    MATH-180 FIXED Add support for OSGi to Commons Math    MATH-158 FIXED Arbitrary log    MATH-160 FIXED Chi-Square Test for Comparing two binned Data Sets    MATH-164 FIXED Complex - Issue with non-compliance to C99!    MATH-167 FIXED ConvergenceException in normal CDF    MATH-176 FIXED Getting errors in estimated parameters using Estimator    MATH-190 FIXED Incorrect SVN properties for some files    MATH-174 FIXED Mean.evaluate() should use a two-pass algorithm    MATH-165 FIXED Simplify use of "EstimationProblem"    MATH-166 FIXED Special functions not very accurate    MATH-140 FIXED [math][patch] FFT Source Files    MATH-120 FIXED [math][patch] Pascal / Negative Binomial Distribution    MATH-182 FIXED converting some double numbers to Fraction can lead to integer overflows    MATH-184 FIXED cumulativeProbability((double)n, (double)n) returns 0 for integer distributions    MATH-186 FIXED test results depend on java version    MATH-185 FIXED using an empty file to ValueServer in REPLAY_MODE triggers a NULL_POINTER_EXCEPTION 1.1 ( 20/Dec/05 | Release Notes)   No issues. 1.0 ( 07/Dec/04 | Release Notes)    MATH-147 FIXED Adding new methods to RealMatrix

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	Open	29	9%
	In Progress	1
	Reopened	2	1%
	Resolved	21	7%
	Closed	267	83%

Open Issues

	Major	17	53%
	Minor	15	47%

By Assignee

Brent Worden	1	3%
Luc Maisonobe	2	6%
Phil Steitz	1	3%
Unassigned	28	88%