b47b287663
Support for one dimensional vectors has been added to the linear algebra
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package with a RealVector interface, a RealVectorImpl default implementation
using a single double array to store elements and a RealVectorFormat class for
input/output.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680166 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 19:15:22 +00:00
6ef68ad4a9
Javadoc fixes.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680165 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 19:11:33 +00:00
a77322c262
Changed OLSMultipleLinearRegression implementation to use QR decomposition to
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solve the normal equations.
JIRA: MATH-217
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680162 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 18:52:38 +00:00
38f83e6070
updated minimum java version required
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680144 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 16:28:43 +00:00
c7c19df2da
improved explanation of NaN coordinates
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680123 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 15:17:37 +00:00
8560c231d5
fixed javadoc
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680121 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 15:11:43 +00:00
083f748403
fixed javadoc comments pasted from ComplexFormat without care
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680113 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 14:34:37 +00:00
3a8e7620e3
fixed typo
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680111 13f79535-47bb-0310-9956-ffa450edef68
2008-07-27 14:30:43 +00:00
a7cd35389d
reverting a return type changed inadvertently
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680036 13f79535-47bb-0310-9956-ffa450edef68
2008-07-26 20:00:29 +00:00
4da38a0b39
added in user guide a reference to the Vector3DFormat class for input/output.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680034 13f79535-47bb-0310-9956-ffa450edef68
2008-07-26 19:47:56 +00:00
ac99bbd13c
filtered out findbugs warnings for intentional and documented features
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680032 13f79535-47bb-0310-9956-ffa450edef68
2008-07-26 19:35:35 +00:00
ccbe22eb02
added a Vector3DFormat class
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680029 13f79535-47bb-0310-9956-ffa450edef68
2008-07-26 18:31:41 +00:00
7004e490aa
extracted a CompositeFormat base class from ComplexFormat
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@680026 13f79535-47bb-0310-9956-ffa450edef68
2008-07-26 18:28:45 +00:00
51a7a27740
change commons-parent to version 11
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@678500 13f79535-47bb-0310-9956-ffa450edef68
2008-07-21 17:45:31 +00:00
f745b46abf
fixed javadoc related checkstyle errors
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676891 13f79535-47bb-0310-9956-ffa450edef68
2008-07-15 11:53:23 +00:00
642e3f63f2
removed false comment
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(coefficients are not cached, they are computed for each new instance)
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676882 13f79535-47bb-0310-9956-ffa450edef68
2008-07-15 11:34:46 +00:00
8365d33be2
New ODE integrators have been added: the explicit Adams-Bashforth and implicit
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Adams-Moulton multistep methods. These methods support customizable starter
integrators and support discrete events even during the start phase.
All these methods provide the same rich features has the existing ones:
continuous output, step handlers, discrete events, G-stop ...
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676737 13f79535-47bb-0310-9956-ffa450edef68
2008-07-14 21:13:23 +00:00
4fb3ee4e70
preparing test to work with multistep integrators
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676622 13f79535-47bb-0310-9956-ffa450edef68
2008-07-14 15:16:11 +00:00
a28698bb0c
fixed test which did not bounce properly when convergence setting was low
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676620 13f79535-47bb-0310-9956-ffa450edef68
2008-07-14 15:14:42 +00:00
0c125f71ed
fixed a problem preventing integration stop when end time was exactly 0
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676618 13f79535-47bb-0310-9956-ffa450edef68
2008-07-14 15:12:36 +00:00
e1306edb51
fixed step size handling in borderline cases.
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When an even occurred at step start, the step size dropped to zero
which put integration in an infinite loop
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676615 13f79535-47bb-0310-9956-ffa450edef68
2008-07-14 15:08:51 +00:00
87d350f022
FixedStepHandler now extends Serializable.
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This should have been done before when the integrator and problem
interfaces were changed too, but was forgotten.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676612 13f79535-47bb-0310-9956-ffa450edef68
2008-07-14 14:58:57 +00:00
77cd728359
improved robustness in case of events just at integration start
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When an event occurs exactly at integration start, the first truncated
steps ends up with zero size. This induced problems with forward/backward
sensing based on this step alone. This also induced an infinite loop in
the calling integrators.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676610 13f79535-47bb-0310-9956-ffa450edef68
2008-07-14 14:51:33 +00:00
1c3e5de60b
fixed a problem introduced by recent changes,
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thanks to Phil to spot it
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676291 13f79535-47bb-0310-9956-ffa450edef68
2008-07-13 09:55:01 +00:00
22d13e1232
Refactored data specification in multiple regression api. JIRA: MATH-255. Patched by Mauro Televi.
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@676241 13f79535-47bb-0310-9956-ffa450edef68
2008-07-12 21:41:17 +00:00
b51a782d1b
Simplified integration end handling using the same method as other integrators
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(based on a dedicated event handler)
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@675589 13f79535-47bb-0310-9956-ffa450edef68
2008-07-10 14:22:13 +00:00
df6766e1e3
prevent zero-length steps from generating NaN
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@675578 13f79535-47bb-0310-9956-ffa450edef68
2008-07-10 14:06:17 +00:00
e7a11765d4
updated test after step handling changes
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@675576 13f79535-47bb-0310-9956-ffa450edef68
2008-07-10 14:05:01 +00:00
b3cfa0fdb9
allow root search even in reverse direction
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@675554 13f79535-47bb-0310-9956-ffa450edef68
2008-07-10 12:49:54 +00:00
22e5ce3884
Replaced size adjustment of all steps of fixed steps Runge-Kutta integrators by a truncation of the last step only.
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JIRA: MATH-214
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@675552 13f79535-47bb-0310-9956-ffa450edef68
2008-07-10 12:42:30 +00:00
b0b7c6ef38
Replaced size adjustment of all steps of fixed steps Runge-Kutta integrators by a truncation of the last step only.
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JIRA: MATH-214
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@675551 13f79535-47bb-0310-9956-ffa450edef68
2008-07-10 12:40:44 +00:00
f6c3d3f104
introduced an upper level interface for all ODE integrators
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@674821 13f79535-47bb-0310-9956-ffa450edef68
2008-07-08 13:39:27 +00:00
e6b0184007
introduced an upper level interface for all ODE integrators
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@674820 13f79535-47bb-0310-9956-ffa450edef68
2008-07-08 13:37:09 +00:00
086a0ede1e
The ODE integrators now support several step handlers at once, instead of just one.
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This is more consistent with event handlers management.
The setStepHandler method has therefore been replaced by addStephandler, the
getStepHandler method has been replaced by getStepHandlers which returns a Collection
and a clearStepHandlers method has been added.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@674817 13f79535-47bb-0310-9956-ffa450edef68
2008-07-08 13:32:00 +00:00
08dae2254b
The ODE integrators now support several step handlers at once, instead of just one.
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This is more consistent with event handlers management.
The setStepHandler method has therefore been replaced by addStephandler, the
getStepHandler method has been replaced by getStepHandlers which returns a Collection
and a clearStepHandlers method has been added.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@674814 13f79535-47bb-0310-9956-ffa450edef68
2008-07-08 13:26:59 +00:00
c52ab55875
fixed javadoc links
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673953 13f79535-47bb-0310-9956-ffa450edef68
2008-07-04 08:25:26 +00:00
31b3876063
renamed AbstractStepInterpolatorTest into StepInterpolatorAbstractTest
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to match existing maven exclusion patterns
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673772 13f79535-47bb-0310-9956-ffa450edef68
2008-07-03 19:31:58 +00:00
8c3ae1b97a
added a common abstract class for testing time-derivatives consistencies in step interpolators
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673762 13f79535-47bb-0310-9956-ffa450edef68
2008-07-03 18:56:38 +00:00
f8a38cb73e
All step interpolators for ODE integrators now provide interpolation for
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both the state and its time derivatives. The interpolated derivatives are
the exact derivatives of the interpolated state, thus preserving consistency.
The general step handlers hence do not need to call the derivation function
anymore. The fixed step handlers also get the time derivative of the state
as an additional argument along with the state when they are called.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673759 13f79535-47bb-0310-9956-ffa450edef68
2008-07-03 18:51:56 +00:00
79287ddb7c
pushed common code up in the AbstractIntegrator base class
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673755 13f79535-47bb-0310-9956-ffa450edef68
2008-07-03 18:36:03 +00:00
3fdd549c50
added a way to retrieve the meta-data associated with event handlers
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(max iteration count, convergence, check interval)
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673752 13f79535-47bb-0310-9956-ffa450edef68
2008-07-03 18:29:32 +00:00
84e30a013d
fixed typos
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673751 13f79535-47bb-0310-9956-ffa450edef68
2008-07-03 18:25:30 +00:00
24e6771406
added a top-level AbstractIntegrator class to manage events and step handlers
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673069 13f79535-47bb-0310-9956-ffa450edef68
2008-07-01 12:36:20 +00:00
1d078f3d10
added missing keywords
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@673068 13f79535-47bb-0310-9956-ffa450edef68
2008-07-01 12:34:18 +00:00
6d4200df71
Changed return type for FirstOrderIntegrator.integrate() to double
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in order to retrieve exact stop time. This allows to handle properly
integration interruption due to an EventHandler instance asking to
stop the integration when its associated event is triggered. The state
was already set to the current state at interruption time, but it was
difficult to get the corresponding time (it involved setting a step
handler monitoring the last step specially).
JIRA: MATH-213
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@671168 13f79535-47bb-0310-9956-ffa450edef68
2008-06-24 13:38:28 +00:00
f11d7217fd
ported all changes from trunk between r6152100 (branch 2.0 creation) and r670469 (today)
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These changes contain fixes for MATH-204 and MATH-205
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@670569 13f79535-47bb-0310-9956-ffa450edef68
2008-06-23 13:46:46 +00:00
0010754c0b
clarified the ODE package by breaking in into several sub-packages and renaming
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classes. This also prepares future work for non-stiff solvers.
SwitchingFunctions is now known as EventHandler
SwitchingFunctionsHandler is now known as CombinedEventsManager
The user manual as also been slightly improved, both to reflect these changes
and to make it easier to grasp the underlying principles in our implementation
of ODE solving
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@670469 13f79535-47bb-0310-9956-ffa450edef68
2008-06-23 08:01:38 +00:00
60042cfcd2
Changed return type for FirstOrderIntegrator.getSwitchingFunctions()
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to a collection of SwitchingFunction instances. This better suits the
intended use of the method and fixes a visibility error since the
previous return type referenced the package private SwitchState class.
JIRA: MATH-210
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@669851 13f79535-47bb-0310-9956-ffa450edef68
2008-06-20 10:59:33 +00:00
6f4e48d42a
fixed dimension error in operate method for RealMatrixImpl and BigMatrixImpl
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JIRA: MATH-209
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@668798 13f79535-47bb-0310-9956-ffa450edef68
2008-06-17 19:09:36 +00:00
87e066ad31
replaced inefficient constructors Character(char) by Character.valueOf(char)
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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@668117 13f79535-47bb-0310-9956-ffa450edef68
2008-06-16 11:28:34 +00:00
Luc Maisonobe
Phil Steitz
Niall Pemberton