Gilles Sadowski
1811eeaf37
Unused "import".
2021-08-27 20:58:27 +02:00
Gilles Sadowski
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
Gilles Sadowski
dd0acaa9ff
Relax expectations (unit test).
2021-08-27 19:15:17 +02:00
Gilles Sadowski
6f33d5f0a7
Fix incorrect usage of "ROSENBROCK" test function (unit tests).
2021-08-27 18:35:47 +02:00
Gilles Sadowski
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
Gilles Sadowski
f1ad9d1b00
Simplex search in higher-dimensional cases (unit test).
2021-08-27 05:37:49 +02:00
Gilles Sadowski
ca826ba76b
Add (back) "POwELL" standard test function for optimizers.
2021-08-26 23:56:42 +02:00
Gilles Sadowski
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
Gilles Sadowski
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
Gilles Sadowski
677f5f7a3f
Input files for "SimplexOptimizerTest" (unit tests).
2021-08-25 01:51:34 +02:00
Gilles Sadowski
2ccdf8d002
MATH-1622: Simulated annealing variant of "NelderMeadTransform".
2021-08-25 01:50:28 +02:00
Gilles Sadowski
80a7eb1832
Change how simulated annealing affects the transformed simplex (cf. MATH-1622).
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Compared with commit 97462b1a1b
, this commit is
more consistent with assumptions of the original (non-hybridized) algorithm.
2021-08-24 15:46:10 +02:00
Gilles Sadowski
c21a810558
Useless local variable.
2021-08-24 04:09:42 +02:00
Gilles Sadowski
f8d7476614
Input files for "SimplexOptimizerTest" (unit tests).
2021-08-24 01:28:43 +02:00
Gilles Sadowski
97462b1a1b
MATH-1622: Simulated annealing variant of "MultiDirectionalTransform".
2021-08-24 01:18:16 +02:00
Alex Herbert
21f8008108
MATH-1627: Throw an exception when column or row sums are zero.
2021-08-22 21:43:52 +01:00
Alex Herbert
991314d461
Remove incorrect localization format for zero exception
2021-08-22 21:43:52 +01:00
Gilles Sadowski
fb314ef3df
Spurious "throws" clauses.
2021-08-22 03:46:25 +02:00
Gilles Sadowski
9bb5791906
Redundant inner class.
2021-08-22 03:28:37 +02:00
Gilles Sadowski
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
Gilles Sadowski
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
Gilles Sadowski
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
Alex Herbert
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
Alex Herbert
5245a685a0
sonar fix: Handle variance=0 in skewness computation for input array
2021-08-21 14:37:13 +02:00
Alex Herbert
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
Alex Herbert
228a832532
Javadoc typo
2021-08-21 14:37:13 +02:00
Alex Herbert
26e4a737f7
Javadoc typo
2021-08-21 14:37:13 +02:00
Gilles Sadowski
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
Alex Herbert
e97c3288a5
Sonar fix: Cast operands to double before assigning result to double
2021-08-18 16:41:10 +01:00
Alex Herbert
21a9aa4413
Sonar fix: use equals to compare Integers
2021-08-18 11:14:58 +01:00
Alex Herbert
0a42dc86cb
Remove unused imports
2021-08-18 10:45:14 +01:00
Alex Herbert
58e0efc651
Sonarfix: Rename test for equality in markers
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Use explicit equals method to check equality (not assertEquals)
2021-08-18 08:26:14 +01:00
Gilles Sadowski
9be74e3abd
Nit: Display debug file name.
2021-08-16 02:03:08 +02:00
Gilles Sadowski
1d1fe2acc0
Make debugging parameters optional (unit test).
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First optional parameter is the prefix of the output file's name.
Second optional parameter is the list of simplex vertices to save.
2021-08-15 18:55:49 +02:00
Gilles Sadowski
a0cd950a7c
Simplify null checks.
2021-08-14 16:18:36 +02:00
Gilles Sadowski
8804071ac7
Update copyright information.
2021-08-14 03:24:08 +02:00
Gilles Sadowski
070676d219
MATH-1625: Gnuplot script for visual debugging.
2021-08-14 02:42:28 +02:00
Gilles Sadowski
5f36bf970a
MATH-1625: Add callback to generate debugging output (unit test).
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Debugging output is activated through specifying a file prefix in the CSV input file.
2021-08-14 01:51:43 +02:00
Gilles Sadowski
310b21e4d7
MATH-1625: Enable callback in "SimplexOptimizer".
2021-08-14 01:51:43 +02:00
Gilles Sadowski
e9d811daa3
Override "toString".
2021-08-14 01:51:43 +02:00
Gilles Sadowski
e3b029d28a
Javadoc.
2021-08-14 01:51:43 +02:00
Arturo Bernal
1e4662de5a
Simplify assertions with simpler equivalent. ( #196 )
2021-08-13 09:24:22 +01:00
Gilles Sadowski
872b655950
Javadoc.
2021-08-12 03:03:42 +02:00
Gilles Sadowski
9371883b2b
Increase number of allowed failures (unit tests).
2021-08-12 02:04:15 +02:00
Gilles Sadowski
59e9604dd8
Consistency check to ensure that "TestFunction" implementations are correct.
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Call is commented out (it is mostly intended for a one-time visual check).
2021-08-12 01:59:37 +02:00
Gilles Sadowski
f29ebd2e13
More test functions.
2021-08-12 01:56:44 +02:00
Gilles Sadowski
6a7b4ccbe3
Drop repeated tests inside "SimplexOptimizerTest.Task" class.
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Explicitly specify the initial simplex side (as test parameter).
2021-08-11 19:58:28 +02:00
Gilles Sadowski
9b7a2c8edc
Delete spurious files.
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Files were committed by mistake.
2021-08-11 13:30:44 +02:00
Gilles Sadowski
aea043cffd
Function optimum is rarely found: Disable (comment out) test.
2021-08-10 12:44:01 +02:00
Gilles Sadowski
59573134d8
Reduce build failure frequency.
2021-08-10 12:43:23 +02:00