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5598 Commits

Author SHA1 Message Date
Gilles 74515ba6aa Update of "changes.xml" 2015-09-11 11:36:48 +02:00
Gilles 8025da1719 Merge branch 'MATH_3_X' of https://git-wip-us.apache.org/repos/asf/commons-math into MATH_3_X 2015-09-11 11:26:32 +02:00
Luc Maisonobe 34b9fd0427 improved user guide on FiniteDifferencesDifferentiator. 2015-09-11 10:21:26 +02:00
Gilles d270d387ce Merge branch 'MATH_3_X' of https://git-wip-us.apache.org/repos/asf/commons-math into MATH_3_X 2015-09-11 00:55:44 +02:00
Gilles 012c15ce4d MATH-1270 
SOFM visualization: Smoothed data histogram.
 2015-09-11 00:55:00 +02:00
Gilles d7f6c8da95 MATH-1270 
SOFM visualization: Topographic error.
 2015-09-11 00:54:36 +02:00
Gilles afac1f05cd MATH-1270 
SOFM visualization: Hit histogram.
 2015-09-11 00:53:50 +02:00
Gilles 5e28d11b17 MATH-1270 
SOFM visualization: Unified distance matrix.
 2015-09-11 00:49:55 +02:00
Luc Maisonobe bfc2d49021 Clarified comments. 2015-09-10 15:12:38 +02:00
Luc Maisonobe f6b8dabda1 Typo. 2015-09-10 13:27:30 +02:00
Luc Maisonobe 252a0137b1 Ported pow function re-implementation from 4.X to 3.X. 
JIRA: MATH-1272
 2015-09-10 10:24:44 +02:00
Gilles 4ac5a9dec0 "package-info" file. 2015-09-08 14:35:14 +02:00
Gilles cba459c0b5 MATH-1268 
API for algorithms that create some visualization of a 2D SOFM.
 2015-09-08 14:30:39 +02:00
Gilles a382b33abb MATH-1267 
Helper for finding the grid coordinates of a "Neuron" in a "NeuronSquareMesh2D".
 2015-09-08 14:26:42 +02:00
Luc Maisonobe 50c5eae1a6 Fixed split/side inconsistencies in BSP trees. 
JIRA: MATH-1266
 2015-09-06 20:04:25 +02:00
Luc Maisonobe 5fccd09a81 Fixed javadoc. 2015-09-04 18:30:14 +02:00
Gilles 537a22428e MATH-1265 
Implement "Iterable".
 2015-09-04 14:39:27 +02:00
Gilles 23f469e4eb Tabs. 2015-09-04 14:06:42 +02:00
Gilles 69b5c82140 MATH-1264 
Sort units according to distance from a given vector.
 2015-09-01 14:25:26 +02:00
Luc Maisonobe f189a4c5aa Spurious whitespace. 2015-08-31 14:02:27 +02:00
Luc Maisonobe 265dd679aa Missing javadoc. 2015-08-31 14:01:55 +02:00
Luc Maisonobe afe2f3e002 Missing javadoc. 2015-08-31 13:58:24 +02:00
Luc Maisonobe 79bbb3054c Spurious javadoc parameter. 2015-08-31 13:50:52 +02:00
Gilles 2762c66008 MATH-1263 
Accessor to get neighbouring neurons (in a square grid).
 2015-08-30 18:56:50 +02:00
Gilles b54dbfb6ef MATH-1259 
New class to replace the current "Incrementor" (now deprecated).
Additional functionality: negative initial value and/or increment,
"range" utility method.
 2015-08-30 18:38:25 +02:00
Thomas Neidhart 836e609a37 Remove changelog entry which was superseded by another improvement. 2015-08-24 22:18:01 +02:00
Otmar Ertl 484196fc2e MATH-1220: random generator based on rejection-inversion sampling for 
Zipf distributions
 2015-08-24 21:30:56 +02:00
Otmar Ertl 32c5f86125 MATH-990: improved in-place sorting by using a helper class instead of 
the generic Pair class, in order to avoid boxing and unboxing
 2015-08-22 11:42:04 +02:00
Gilles 0820703df0 MATH-1261 
Avoid unnecessary overflow.  Thanks to Osamu Ikeuchi.
 2015-08-21 00:22:59 +02:00
Otmar Ertl b1f4a30aab MATH-1258: added entry to changes.xml 2015-08-20 20:18:14 +02:00
Otmar Ertl 7934bfea10 MATH-1258: check for equal array lengths in distance functions 2015-08-20 17:55:42 +02:00
Gilles 9cb16d5b1e MATH-1258 
New utility "checkEqualLength" to consistently report failed precondition.
 2015-08-20 13:08:19 +02:00
Gilles 49a9e6e874 MATH-1257 
Increased accuracy.
 2015-08-19 23:10:07 +02:00
Gilles aea9cfb342 Merge branch 'MATH_3_X' of https://git-wip-us.apache.org/repos/asf/commons-math into MATH_3_X 2015-08-17 13:28:56 +02:00
Gilles eb8727f9c6 MATH-1256 
Boundary check.
 2015-08-17 13:27:40 +02:00
Luc Maisonobe 8604341486 Improved BSP-tree documentation. 2015-08-14 20:34:41 +02:00
Gilles 93cf7f1cb1 MATH-1243 
Refactoring of "microsphere interpolation" algorithm.  Old implementation deprecated.
 2015-08-14 16:23:47 +02:00
Gilles 8e049a0ef0 MATH-1244 
Utility method "cosAngle".
 2015-08-14 16:03:52 +02:00
Gilles 5c3988cb04 MATH-1255 
Wrong usage of "Gaussian" function.
 2015-08-13 23:18:21 +02:00
Otmar Ertl fcd49fc8fe moved myself from contributor to developer section 2015-08-09 18:18:21 +02:00
Luc Maisonobe d848625585 Added a section for least squares fitting in the user guide. 2015-07-27 21:09:36 +02:00
Luc Maisonobe 4e828dbe23 Typo. 2015-07-27 17:14:00 +02:00
Luc Maisonobe 265ed5dd48 Fixed trailing whitespace. 2015-07-27 09:57:39 +02:00
Phil Steitz 9f148d41e0 Changed data size check to be positive length, not > 1 to fix 
ResizableDoubleArray constructor failure on input array of
length 1.

JIRA: MATH-1252
Thanks to John Bay
 2015-07-23 20:21:38 -04:00
Gilles ae5d8f8a92 MATH-1248 
Unnecessary allocations in "BigFraction".
Thanks to Chris Popp.
 2015-07-20 16:06:03 +02:00
Gilles 0448161808 MATH-1251 
Fixed initial value of the "number of calls" counter.
 2015-07-19 23:18:46 +02:00
Gilles 1c4ebd5bde New private method for factoring out some common code. 2015-07-19 20:42:19 +02:00
Gilles 895f50e696 MATH-1250 
Methods to estimate concurrency performance.
 2015-07-19 20:37:27 +02:00
Otmar Ertl 49b4bbd41b [MATH-1242] fixed shuffle algorithm used by the Monte Carlo KS statistic 
calculation method, moved shuffle algorithm to static package-private
method that is now explicitly tested by a unit test
 2015-07-17 21:43:43 +02:00
Phil Steitz 7a6aa92c8a Fixed error in computing discrete distribution of D statistics for small-sample 
2-sample Kolmogorov-Smirnov tests. Error was causing incorrect p-values returned
by exactP and monteCarloP methods (used by default for small, mid-size samples).

JIRA: MATH-1245
 2015-07-10 12:31:36 -07:00