a2b1aa1695
Greatly improved multiplication speed for sparse matrices
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Jira: MATH-248
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762117 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 16:53:35 +00:00
7dcc9d15c5
Remove unnecessary casts
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762116 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 16:48:53 +00:00
7822849ae5
Fixed threading issues with MathException and MathRuntimeException
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Jira: MATH-253
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762107 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 15:33:06 +00:00
48fcbcf982
Fixed threading issues with UnivariateRealSolverUtils factory
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Jira: MATH-254
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762102 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 15:16:03 +00:00
aa357e433b
fixed typo
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762100 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 15:07:27 +00:00
a66d215406
Reduced visibility of MessagesResources_fr.contents field to private
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JIRA: MATH-255
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762096 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 14:36:09 +00:00
e61119d98b
added Fraction.toString()
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Jira: MATH-256
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762095 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 14:29:03 +00:00
07c5922ca3
added missing @Override annotations
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762087 13f79535-47bb-0310-9956-ffa450edef68
2009-04-05 14:20:18 +00:00
37ea6e2ad7
Make private static fields final, as they are not changed currently.
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[If they were mutable, this would make the class thread-hostile.]
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762011 13f79535-47bb-0310-9956-ffa450edef68
2009-04-04 21:08:13 +00:00
907b316799
Might as well make the variable final as it is private and not changed
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@762009 13f79535-47bb-0310-9956-ffa450edef68
2009-04-04 21:05:01 +00:00
3fb0b72a90
Replaced JDK 1.6 constant.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@761994 13f79535-47bb-0310-9956-ffa450edef68
2009-04-04 19:41:21 +00:00
58a3d3b28e
fixed a serialization warning
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@761325 13f79535-47bb-0310-9956-ffa450edef68
2009-04-02 15:30:39 +00:00
1125b705e4
moved multistep integrator and step interpolator base classes to their corresponding generic package
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@761323 13f79535-47bb-0310-9956-ffa450edef68
2009-04-02 15:29:45 +00:00
3c50c4d885
fixed a missing absolute value in a test threshold
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@761213 13f79535-47bb-0310-9956-ffa450edef68
2009-04-02 09:05:56 +00:00
f5618f7717
removed the constraint on low degree polynomials
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when building Chebyshev, Hermite, Laguerre or Legendre polynomials
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@760901 13f79535-47bb-0310-9956-ffa450edef68
2009-04-01 14:29:18 +00:00
3664a2cc7f
Added add/subtract/multiply/divide functions with integer parameters to Fraction
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@760867 13f79535-47bb-0310-9956-ffa450edef68
2009-04-01 12:15:29 +00:00
80419081ac
optimized some fraction operations (mainly pow)
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replaced pow(BigFraction) by pow(double) as it already converted the argument to double upon entry
added tests for pow
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@760016 13f79535-47bb-0310-9956-ffa450edef68
2009-03-30 15:48:56 +00:00
40223343f0
Added some utility functions to compute powers with integral types (int, long, BigInteger)
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@760014 13f79535-47bb-0310-9956-ffa450edef68
2009-03-30 15:43:14 +00:00
e143317c7d
added a test parsing very large integers
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@759728 13f79535-47bb-0310-9956-ffa450edef68
2009-03-29 17:10:09 +00:00
99b46033f5
Fixed a comparison error when two different fractions evaluate to the
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same double due to limited precision.
Jira: MATH-252
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@759725 13f79535-47bb-0310-9956-ffa450edef68
2009-03-29 16:51:48 +00:00
312b1ca42e
added proper and improper formats for BigFraction (both parsing and display)
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@759718 13f79535-47bb-0310-9956-ffa450edef68
2009-03-29 16:33:53 +00:00
6a5a46783f
removed an unneeded call to reduce()
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(the constructor already reduces the fraction)
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@759678 13f79535-47bb-0310-9956-ffa450edef68
2009-03-29 13:12:19 +00:00
2fa13fe8c5
removed BigFraction.clone() as the class is guaranteed to be immutable
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@759677 13f79535-47bb-0310-9956-ffa450edef68
2009-03-29 13:11:13 +00:00
17f0dd2da5
Added a BigFraction class that does not overflow when big numerators or denominators are used.
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Jira: MATH-251
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@759543 13f79535-47bb-0310-9956-ffa450edef68
2009-03-28 18:24:11 +00:00
e449af6e51
fixed an error in Simplex algorithm when several ambiguous solutions exist
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@759045 13f79535-47bb-0310-9956-ffa450edef68
2009-03-27 07:56:04 +00:00
d11d984705
fixed javadoc error
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758924 13f79535-47bb-0310-9956-ffa450edef68
2009-03-26 23:39:11 +00:00
7edb7e34f8
removed spurious import clause
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758923 13f79535-47bb-0310-9956-ffa450edef68
2009-03-26 23:38:37 +00:00
61e775706d
added an implementation of Dantzig's simplex algorithm
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to solve constrained linear optimization problems
JIRA: MATH-246
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758920 13f79535-47bb-0310-9956-ffa450edef68
2009-03-26 23:25:30 +00:00
b2db570b31
fixed checkstyle and findbugs errors
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758912 13f79535-47bb-0310-9956-ffa450edef68
2009-03-26 23:00:27 +00:00
5404d5e1a2
updated documentation after changes in the optimization framework
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JIRA: MATH-177
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758074 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:56:49 +00:00
96db008f3b
improved consistency in class naming with respect to functions in the analysis package
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758060 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:17:13 +00:00
2c84116a4c
added an implementation of a non-linear conjugate gradient optimizer
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758059 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:16:21 +00:00
ed8fc4a03a
updated general algorithms with latest interfaces definitions
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758058 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:15:08 +00:00
d99003bc0f
updated univariate algorithms with latest interfaces definitions
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758056 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:14:03 +00:00
c03fbc71a6
updated direct algorithms with latest interfaces definitions
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758054 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:13:27 +00:00
891bb84cd0
added new simple convergence checkers implementations
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758053 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:12:32 +00:00
2d116267b4
improved consistency in class naming with respect to functions in the analysis package
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758052 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:11:16 +00:00
fa4c993e5d
removed spurious exception in optimization
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758051 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:10:16 +00:00
07425ec8ae
improved consistency in class naming with respect to functions in the analysis package
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758049 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:09:34 +00:00
70d82c4fe6
removed spurious exception in optimization
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758047 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:06:39 +00:00
187dd35c9a
use a single set of consistent functions definitions in the analysis package
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instead of one set in the analysis and another one in optimization
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@758046 13f79535-47bb-0310-9956-ffa450edef68
2009-03-24 22:05:13 +00:00
31e9c848f2
fixed a forgotten counter update
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@757183 13f79535-47bb-0310-9956-ffa450edef68
2009-03-22 13:19:05 +00:00
87c0ddbc6e
separated iteration counter from function evaluation counters,
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some optimizers are based on gradient/jacobian only and cannot
reliably be protected by monitoring the objective function calls.
We now have two or three counters for each algorithm:
- iteration counter, which is checked against a max allowance
to prevent infinite loops if no convergence is reached
- objective function evaluations, for user information only
- objective function gradient/jacobian if the function is
differentiable, for user information only
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@757181 13f79535-47bb-0310-9956-ffa450edef68
2009-03-22 13:00:00 +00:00
cfa4345431
renamed SimpleValueChecker into SimpleScalarValueChecker
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for consistency with the vectorial checker name
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@757180 13f79535-47bb-0310-9956-ffa450edef68
2009-03-22 12:54:45 +00:00
39647f7f30
fixed checkstyle and findbugs errors
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@754765 13f79535-47bb-0310-9956-ffa450edef68
2009-03-15 21:35:38 +00:00
77a6b785d2
updated documentation after the redesign of the optimization package
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@754764 13f79535-47bb-0310-9956-ffa450edef68
2009-03-15 21:34:47 +00:00
c12aa3b936
added all necessary multi-start optimizers types
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@754763 13f79535-47bb-0310-9956-ffa450edef68
2009-03-15 21:33:31 +00:00
8f6fd887f5
removed a spurious print statement
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@754750 13f79535-47bb-0310-9956-ffa450edef68
2009-03-15 21:03:39 +00:00
94f9b580a5
fixed typo in package documentation
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@754744 13f79535-47bb-0310-9956-ffa450edef68
2009-03-15 20:33:47 +00:00
61ca8c04df
resurrected the estimation package but with all interfaces and classes deprecated
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this will help users switch smoothly to the new optimization.general package
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@754732 13f79535-47bb-0310-9956-ffa450edef68
2009-03-15 19:30:44 +00:00
Luc Maisonobe
Sebastian Bazley
Phil Steitz