All Projects : Commons Math (Key: MATH)

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

Release Notes

Road Map View personal road map Scope: next 3 versions | all versions 1.3 ( Release Notes ) Progress:    2 of 2 issues have been resolved    MATH-204 FIXED BrentSolver throws IllegalArgumentException    MATH-201 FIXED T-test p-value precision hampered by machine epsilon 2.1 ( Release Notes ) Progress:    15 of 32 issues have been resolved    MATH-282 UNRESOLVED ChiSquaredDistributionImpl.cumulativeProbability > 1    MATH-297 UNRESOLVED Eigenvector computation incorrectly returning vectors of NaNs    MATH-313 UNRESOLVED Functions could be more object-oriented without losing any power.    MATH-312 UNRESOLVED RealVector interface could use some iterators (dense and sparse) and generic map() and collect() methods.    MATH-169 UNRESOLVED Rolling statistics    MATH-196 UNRESOLVED add support to constrained parameter estimation    MATH-172 UNRESOLVED implementation of implicit Runge-Kutta method for stiff differential equations    MATH-296 UNRESOLVED LoessInterpolator.smooth() not working correctly    MATH-239 UNRESOLVED Add gcd and lcm for long values in MathUtils    MATH-235 UNRESOLVED Eigenvalues/eigenvectors of real asymmetric matrices    MATH-228 UNRESOLVED Feature request for one and two sample Kolmogorov-Smirnov test as well as Lilliefors test    MATH-195 UNRESOLVED Inconsistencies in the Exception hierarchy    MATH-314 UNRESOLVED New sparse vector implementation: int[] indices; double[] values;    MATH-192 UNRESOLVED Operator precedence driven parser    MATH-316 UNRESOLVED Perf improvement: ArrayRealVector makes superfluous copies and often doesn't optimally operate on array values    MATH-317 UNRESOLVED Perf improvement: OpenMapRealVector should iterate over smaller of two OMRVs, and should call ArrayRealVector.getDataRef() when possible    MATH-194 UNRESOLVED Review handling and documentation of null parameters    MATH-283 FIXED MultiDirectional optimzation loops forver if started at the correct solution    MATH-302 FIXED Bugs in Simplex Implementation    MATH-298 FIXED EmpiriicalDisributionImpl.getUpperBounds does not return upper bounds on data bins    MATH-290 FIXED NullPointerException in SimplexTableau.initialize    MATH-294 FIXED RandomDataImpl.nextPoisson fails for means in range 6.0 - 19.99    MATH-288 FIXED SimplexSolver not working as expected 2    MATH-286 FIXED SimplexSolver not working as expected?    MATH-299 FIXED SimplexSolver returns no feasible solution    MATH-291 FIXED ode.nonstiff.AdaptiveStepsizeIntegrator.filterStep(double h, boolean forward, boolean acceptSmall) can generate misleading Exception message    MATH-318 FIXED wrong result in eigen decomposition    MATH-300 FIXED Multidimensional interpolation    MATH-311 FIXED Replaced the BinomialDistribution existing PDF with Catherine Loader's algorithm (as per wishlist on the wiki page)    MATH-289 FIXED SimplexTableau's arrayCopy could be wrong    MATH-309 FIXED nextExponential parameter check bug - patch supplied    MATH-315 FIXED GeneticAlgorithm: Register number of populations evolved during evolve() Nightly Builds ( Release Notes ) Progress:    2 of 3 issues have been resolved    MATH-305 UNRESOLVED NPE in KMeansPlusPlusClusterer unittest    MATH-156 FIXED Brent solver is non-optimal, because it doesn't use the user's guess.    MATH-227 FIXED denominatorDegreeOfFreedom in FDistribution leads to IllegalArgumentsException in UnivariateRealSolverUtils.bracket

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Project Summary

	Open	30	9%
	In Progress	1
	Reopened	2	1%
	Resolved	20	6%
	Closed	267	83%

Open Issues

	Major	18	55%
	Minor	15	45%

By Assignee

Brent Worden	1	3%
Luc Maisonobe	2	6%
Phil Steitz	1	3%
Unassigned	29	88%