470bdbb5f3
PMD.
2021-09-01 13:36:40 +02:00
b89f677c67
Relax tolerance (unit tests).
2021-09-01 13:34:56 +02:00
6e11126615
Spurious "throws" clauses.
2021-09-01 11:25:20 +02:00
b222580737
Replace algorithm used in "best list" search.
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Although efficient in terms of evaluations, "NelderMeadTransform" fails for
some higher-dimensional test functions.
2021-09-01 03:43:05 +02:00
f44cae3985
Upgrade dependency.
2021-08-28 03:19:57 +02:00
1811eeaf37
Unused "import".
2021-08-27 20:58:27 +02:00
bf1c2c214c
Remove obsolete helper class for unit testing.
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Retries are handled by the "surefire" plugin.
2021-08-27 19:16:03 +02:00
dd0acaa9ff
Relax expectations (unit test).
2021-08-27 19:15:17 +02:00
6f33d5f0a7
Fix incorrect usage of "ROSENBROCK" test function (unit tests).
2021-08-27 18:35:47 +02:00
cc5ae51f98
Favouring the "expanded" simplex over the "reflected" one.
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This modification decreases the number of function evaluations in several
test cases. Note however that the original description of the algorithm
uses the strict inequality...
2021-08-27 17:24:51 +02:00
f1ad9d1b00
Simplex search in higher-dimensional cases (unit test).
2021-08-27 05:37:49 +02:00
ca826ba76b
Add (back) "POwELL" standard test function for optimizers.
2021-08-26 23:56:42 +02:00
f58da4abf5
Use default SA setup in "SimplexOptimizerTest" (unit test).
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A single additional search finds the optimum of the test functions.
2021-08-26 02:05:15 +02:00
06ec7ad0bc
MATH-1622: Simulated annealing entails at least one additional search.
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Also ensure that the "best list" contains at least two points.
2021-08-26 01:39:46 +02:00
677f5f7a3f
Input files for "SimplexOptimizerTest" (unit tests).
2021-08-25 01:51:34 +02:00
2ccdf8d002
MATH-1622: Simulated annealing variant of "NelderMeadTransform".
2021-08-25 01:50:28 +02:00
80a7eb1832
Change how simulated annealing affects the transformed simplex (cf. MATH-1622).
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Compared with commit 97462b1a1b
2021-08-24 15:46:10 +02:00
c21a810558
Useless local variable.
2021-08-24 04:09:42 +02:00
f8d7476614
Input files for "SimplexOptimizerTest" (unit tests).
2021-08-24 01:28:43 +02:00
97462b1a1b
MATH-1622: Simulated annealing variant of "MultiDirectionalTransform".
2021-08-24 01:18:16 +02:00
47904caeb8
Update exception fr locale to match changes to en locale
2021-08-23 07:40:55 +01:00
21f8008108
MATH-1627: Throw an exception when column or row sums are zero.
2021-08-22 21:43:52 +01:00
991314d461
Remove incorrect localization format for zero exception
2021-08-22 21:43:52 +01:00
dc639967c2
Fix localization formats used by ZeroException.
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The ZeroException preprends zero to the arguments. The {0} corresponds
to zero. All arguments to be formatted must start at {1}.
2021-08-22 21:43:52 +01:00
fb314ef3df
Spurious "throws" clauses.
2021-08-22 03:46:25 +02:00
9bb5791906
Redundant inner class.
2021-08-22 03:28:37 +02:00
f466637d82
Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-math
2021-08-22 02:32:10 +02:00
78fbc5f07c
Update script for visual check of "SimplexOptimizerTest" debugging output.
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Allow displaying negative values of the objective function.
2021-08-22 02:30:01 +02:00
1e7bce134f
Adapt input files for "SimplexOptimizerTest" (unit tests).
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The current tests are "baseline" (2D) cases.
Further work should check degradation with increased dimensionality.
2021-08-22 02:14:53 +02:00
14ebd93426
Relax expected number of evaluations (unit test).
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Optimization is sensitive to the change from "AccurateMath" to "Math"
for computing the "pow" function used in "TestFunction.SUM_POW".
2021-08-22 01:10:04 +02:00
bdb4160b00
Add variance tests for zero weights
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Update javadoc for the behaviour when input weights are zero.
This issue was found when checking the sonar report for the variance
class which has a potential divide by zero if the weights sum to zero.
2021-08-21 14:37:13 +02:00
033c7e2c39
Correct verification of zero length values and weights
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This bug was found when checking the sonar report for the variance class
which uses MathArrays.verifyValues.
2021-08-21 14:37:13 +02:00
5245a685a0
sonar fix: Handle variance=0 in skewness computation for input array
2021-08-21 14:37:13 +02:00
30aa597f1e
sonar fix: Ensure checkFeasableCount is not negative.
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Change loop condition to 'i <= checkFeasableCount' from 'i <
checkFeasableCount + 1'
This ensures the loop to identify a new feasible column (RealMatrix
arxk) always executes at least once even with checkFeasibleCount at the
limit of 0 or Integer.MAX_VALUE.
2021-08-21 14:37:13 +02:00
228a832532
Javadoc typo
2021-08-21 14:37:13 +02:00
75c7377e47
Only restore interrupted state if necessary
2021-08-21 14:37:13 +02:00
26e4a737f7
Javadoc typo
2021-08-21 14:37:13 +02:00
1bdb310ffa
Sonar fix: restore thread interrupted state
2021-08-21 14:37:13 +02:00
3ba0221c26
Simplify data format for "SimplexOptimizerTest" (randomized) input.
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This commit also makes the following changes (unit tests):
* Add/remove/rename/rewrite test functions.
2021-08-21 14:33:30 +02:00
569e35ddbe
Add variance tests for zero weights
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Update javadoc for the behaviour when input weights are zero.
This issue was found when checking the sonar report for the variance
class which has a potential divide by zero if the weights sum to zero.
2021-08-21 10:04:49 +01:00
a2efd4fad5
Correct verification of zero length values and weights
...
This bug was found when checking the sonar report for the variance class
which uses MathArrays.verifyValues.
2021-08-21 09:58:13 +01:00
3f7de0eb1e
sonar fix: Handle variance=0 in skewness computation for input array
2021-08-21 09:11:05 +01:00
1fdd55981d
sonar fix: Ensure checkFeasableCount is not negative.
...
Change loop condition to 'i <= checkFeasableCount' from 'i <
checkFeasableCount + 1'
This ensures the loop to identify a new feasible column (RealMatrix
arxk) always executes at least once even with checkFeasibleCount at the
limit of 0 or Integer.MAX_VALUE.
2021-08-21 08:16:20 +01:00
69bab476a5
Javadoc typo
2021-08-20 22:23:58 +01:00
5201f2c5fa
Only restore interrupted state if necessary
2021-08-20 21:19:23 +01:00
7ee70ef474
Javadoc typo
2021-08-20 13:44:15 +01:00
09dd29e56d
Sonar fix: restore thread interrupted state
2021-08-20 13:38:10 +01:00
7813ecb115
Update plugin order in pom
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checkstyle
spotbugs
pmd
2021-08-19 00:35:58 +01:00
86624912ff
Update distribution source archive specification
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Copy from commons-rng multi-module project
2021-08-19 00:29:56 +01:00
b6acad285d
Remove checksum from installed artifacts
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This creates md5 and sha1 checksums for the dist-archive pom in the
local maven repository. It is not required.
2021-08-19 00:19:54 +01:00
Gilles Sadowski
Alex Herbert