c5d148896f
Forced symmetry in binomialCoefficientLog and added test cases for MathUtils.
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JIRA: MATH-242
Reported and patched by Christian Semrau
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@736288 13f79535-47bb-0310-9956-ffa450edef68
2009-01-21 11:30:36 +00:00
944446a1a8
Fixed error in binomial coefficient computation
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JIRA: MATH-241
Reported and patched by Christian Semrau
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735879 13f79535-47bb-0310-9956-ffa450edef68
2009-01-19 23:52:02 +00:00
e8cfb4889e
added a Legendre-Gauss integrator
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2009-01-19 23:40:14 +00:00
260b3a1410
No code change. Fixed spelling errors in comments.
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2009-01-19 21:25:45 +00:00
e4886c0a39
Fixed error in factorial accuracy. JIRA: MATH-240.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735781 13f79535-47bb-0310-9956-ffa450edef68
2009-01-19 19:43:01 +00:00
89db6968bc
removed commented out code
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735546 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 21:09:42 +00:00
56e7606e9a
improved consistency between solvers/integrators
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by providing the integrand function as a parameter to integrate
rather that at construction, thus allowing reuse of a configured integrator
Jira: MATH-218
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735545 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 21:06:15 +00:00
217fe6de71
added absolute accuracy handling for integrators
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735536 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 20:45:16 +00:00
e2048a1dd3
trying to recover history for solvers
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735530 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 19:48:52 +00:00
2e405f1724
fixed various minor bugs identified by checkstyle and findbugs
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735501 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 16:57:29 +00:00
e6e70980dd
added missing header
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735488 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 16:13:12 +00:00
e60e3de474
Added a new minimization package with an implementation of the Brent algorithm
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contributed by Gilles Sadowski.
The implementation needs some testing as it seems to never use the parabola fitting
and only relying on golden section. This may be due to the refactoring I did on
the original patch.
Jira: MATH-177
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735475 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 15:39:35 +00:00
e7c3207b05
extracted a superinterface ConvergingAlgorithm from UnivariateRealSolver
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for later reuse by upcoming minimization algorithms
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2009-01-18 14:47:51 +00:00
eab127dce3
split the analysis package into several sub-packages
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735452 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 13:17:58 +00:00
1e3c634cb9
split the analysis package into several sub-packages
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735449 13f79535-47bb-0310-9956-ffa450edef68
2009-01-18 13:07:22 +00:00
d326b9e467
javadoc formatting only.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735312 13f79535-47bb-0310-9956-ffa450edef68
2009-01-17 17:08:10 +00:00
dabf3a5beb
fixed overflow error in gdc computation
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JIRA: MATH-238
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@735178 13f79535-47bb-0310-9956-ffa450edef68
2009-01-16 23:06:32 +00:00
4564adbf19
Changed return type of nthRoot to List
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Renamed getPhi to getArgument
Changed and documented behavior of nthRoot wrt NaN, infinite components
Improved nth root computation
Added some test cases
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731822 13f79535-47bb-0310-9956-ffa450edef68
2009-01-06 03:46:29 +00:00
34bc1eed72
removed two false positives from findbugs
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731749 13f79535-47bb-0310-9956-ffa450edef68
2009-01-05 22:32:52 +00:00
d1b140e2b6
updated findbugs plugin version
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fixed exclusion rule for some false positives
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731746 13f79535-47bb-0310-9956-ffa450edef68
2009-01-05 22:17:12 +00:00
e7ffb6ebc9
Changed covariance matrix computation to use QR decomp.
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2009-01-05 01:01:16 +00:00
e7911e6efa
Added standard errors.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731356 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 20:39:45 +00:00
f2b72fc248
added missing (inherited) javadoc
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2009-01-04 19:13:22 +00:00
453ba37f7a
removed unused exception clause
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731339 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 19:12:52 +00:00
27561f331c
added missing header
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731338 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 19:10:49 +00:00
6aa3cd95c3
removed all external decomposition solvers
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731335 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 19:02:14 +00:00
5e6d73f239
Javadoc only. Cleanup formatting.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731320 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 18:38:29 +00:00
2cd4edae04
simplified tests
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added new tests
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2009-01-04 18:08:50 +00:00
d27f56a6d4
fixed a dimension error with under-determined problems
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removed IllegalStateException
create a DenseRealMatrix when solving A.X = B
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731307 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 18:08:18 +00:00
728e7b227d
fixed a block width computation error
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2009-01-04 16:14:34 +00:00
effa1be80d
fixed wrong matrix type in test ...
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sorry
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731245 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 12:40:04 +00:00
38d8f7434f
new tests
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2009-01-04 12:36:37 +00:00
0a57f0e60d
added a missing error message
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2009-01-04 12:10:20 +00:00
937d4feabc
avoid ugly call to getDataRef that relies on vector internal implementation
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731232 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 12:09:53 +00:00
1336db1d5c
added copySubmatrix methods
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use matrix visitors to implement some existing methods more efficiently
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2009-01-04 12:07:43 +00:00
49cea9feed
added default implementations of the matrix visitors interfaces
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731230 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 12:06:44 +00:00
4572684320
Added hat matrix computation.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731166 13f79535-47bb-0310-9956-ffa450edef68
2009-01-04 04:11:25 +00:00
bede64cd3f
Changed to use updated decomp API.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@731087 13f79535-47bb-0310-9956-ffa450edef68
2009-01-03 20:50:35 +00:00
dc68d63d33
added a static method createBlocksLayout to prepare array before constructing the matrix
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2009-01-02 20:21:09 +00:00
da54a21c78
added a way to build dense matrices from data already in block layout
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2009-01-02 20:13:10 +00:00
d4e1481478
added a configurable value for missing entries in OpenIntToDoubleHashMap
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@730801 13f79535-47bb-0310-9956-ffa450edef68
2009-01-02 17:53:44 +00:00
89c80e938e
added column walking order
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renamed walkInInternalOrder into walkInOptimizedOrder
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2009-01-02 17:07:42 +00:00
75f8b0afb1
fixed typos
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729853 13f79535-47bb-0310-9956-ffa450edef68
2008-12-29 10:07:49 +00:00
7e2fad01b3
fixed a forgotten scaling factor in inverse Hadamard transform
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added integer Hadamard transform
note that the integer transform inverse is not always an integer transform
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729849 13f79535-47bb-0310-9956-ffa450edef68
2008-12-29 09:56:18 +00:00
ed35ae3dee
replaced TeX formulas by HTML formulas
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729770 13f79535-47bb-0310-9956-ffa450edef68
2008-12-28 20:21:27 +00:00
dff725b2e8
Added a RealTransformer interface on top of cosine, sine and Hadamard transforms.
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The Fourier transform cannot implement this interface since it produces complex results.
Improved error messages.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729758 13f79535-47bb-0310-9956-ffa450edef68
2008-12-28 18:09:28 +00:00
f8cc8e9d37
Added method to walk matrix entries with or without changing them in the
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visitor design pattern sense. Two different orders can be used, row by row
of following internal storage. Internal order should be preferred when no
specific order is needed, because it will be more cache efficient.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729673 13f79535-47bb-0310-9956-ffa450edef68
2008-12-27 20:55:12 +00:00
6e5a114c7a
added Fast Hadamard Transform
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JIRA: MATH-215
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729670 13f79535-47bb-0310-9956-ffa450edef68
2008-12-27 20:24:05 +00:00
c4126f3174
added nth root computation for complex numbers
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JIRA: MATH-236
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729639 13f79535-47bb-0310-9956-ffa450edef68
2008-12-27 16:23:43 +00:00
9eccfc3c46
fixed javadoc comment
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729431 13f79535-47bb-0310-9956-ffa450edef68
2008-12-25 18:06:19 +00:00
Phil Steitz
Luc Maisonobe