[math] LevenbergMarquardt ParameterValidator

Hi, I'm attempting to understand when and how I would want to use the ParameterValidator WRT LevenbergMarquardt problem construction. Anyone have any stories they can share? TIA, Ole - To unsubscribe, e-mail:

Re: [math] Initial TLP PMC membership and chair

I vote for Phil to be the first Apache Math PMC Chair. Gary On Thu, Feb 4, 2016 at 2:30 PM, Phil Steitz wrote: > We have the following volunteers for the new TLP, which we have > decided to call "Apache Math" > > Bill Barker > Otmar Ertl > Gary Gregory > Luc Maisonobe >

Re: [math] LevenbergMarquardt ParameterValidator

On Thu, 4 Feb 2016 15:08:30 -0600, Ole Ersoy wrote: Hi, I'm attempting to understand when and how I would want to use the ParameterValidator WRT LevenbergMarquardt problem construction. Anyone have any stories they can share? It is possible that the optimizer wants to try a certain value

[math] Initial TLP PMC membership and chair

We have the following volunteers for the new TLP, which we have decided to call "Apache Math" Bill Barker Otmar Ertl Gary Gregory Luc Maisonobe Thomas Neidhart Gilles Sadowski Phil Steitz We need to name an initial chair for the PMC. I will volunteer for this if you all would like me to. I

[Math] How fast is fast enough?

Hi. Here is a micro-benchmark report (performed with "PerfTestUtils"): - nextInt() (calls per timed block: 200, timed blocks: 100, time unit: ms) name time/call std dev total time ratio cv difference o.a.c.m.r.JDKRandomGenerator 1.088e-05 2.8e-06 2.1761e+03

Re: [RESULT][math] [POLL] new TLP name

On Thu, 4 Feb 2016 12:39:16 -0700, Phil Steitz wrote: It looks like just plain "math" is the quantitative winner. Here is the full tally: Among PMC volunteers: math 4 (Phil, Gary, Thomas, Otmar) Epsilon 1 (Luc) aJama 1 (Gilles) Other votes: math 9 (James, Emanual, Norm, Bruno, Christopher,

Re: [math] LevenbergMarquardt Evaluation Lazy vs. Unlazy

On Thu, 4 Feb 2016 14:10:39 -0600, Ole Ersoy wrote: Hi, Has anyone performed any benchmarking on lazy vs. unlazy Evaluation(s) Someone did: https://issues.apache.org/jira/browse/MATH-1128 or is there some obvious criteria on when to use one vs. the other? I only see getResiduals() being

[DBCP] Unit test failure with stack logging

I get the following failures running trunk from Eclipse. Anyone else? java (9) org.apache.commons.dbcp2.TestBasicDataSource testMaxConnLifetimeExceeded(org.apache.commons.dbcp2.TestBasicDataSource) java.lang.NullPointerException at

Re: [math] LevenbergMarquardt ParameterValidator

On 02/04/2016 04:30 PM, Gilles wrote: On Thu, 4 Feb 2016 15:08:30 -0600, Ole Ersoy wrote: Hi, I'm attempting to understand when and how I would want to use the ParameterValidator WRT LevenbergMarquardt problem construction. Anyone have any stories they can share? It is possible that the

Re: [math] LevenbergMarquardt ParameterValidator

On Thu, 4 Feb 2016 18:50:11 -0600, Ole Ersoy wrote: On 02/04/2016 04:30 PM, Gilles wrote: On Thu, 4 Feb 2016 15:08:30 -0600, Ole Ersoy wrote: Hi, I'm attempting to understand when and how I would want to use the ParameterValidator WRT LevenbergMarquardt problem construction. Anyone have any

Re: [math] LevenbergMarquardt Evaluation Lazy vs. Unlazy

On 02/04/2016 04:13 PM, Gilles wrote: On Thu, 4 Feb 2016 14:10:39 -0600, Ole Ersoy wrote: Hi, Has anyone performed any benchmarking on lazy vs. unlazy Evaluation(s) Someone did: https://issues.apache.org/jira/browse/MATH-1128 or is there some obvious criteria on when to use one vs. the

[DBCP] BasicDataSource and Referenceable

Hi All: Why does BasicDataSource not implement Referenceable? Merci, Gary -- E-Mail: garydgreg...@gmail.com | ggreg...@apache.org Java Persistence with Hibernate, Second Edition JUnit in Action, Second Edition Spring Batch in

[math] LeastSquaresProblem countEvaluations?

Hi, The LM optimize method counts evaluations. The below method also does. Just wanted to check in to see whether it's still supposed to? public static LeastSquaresProblem countEvaluations(final LeastSquaresProblem problem, final

Re: [math] [POLL] new TLP name

On Thu, Feb 4, 2016 at 2:24 PM, Phil Steitz wrote: > On 2/2/16 11:44 AM, Thomas Neidhart wrote: > > On 02/01/2016 06:06 PM, Phil Steitz wrote: > >> Please select your top choice among the following suggested names > >> for the new [math]-based TLP. All are welcome and

Re: [Math] Create "development" branch?

On Wed, 3 Feb 2016 19:57:33 -0800, William Barker wrote: I would wait until after the TLP move for any big SCM changes. I guess that the git repository won't be affected. Anyways, nothing will be lost if some changes are in order, so I don't see why work has to be put on hold. I'm not clear

Re: [math] Initial TLP PMC membership and chair

+1 Phil Otmar Am 05.02.2016 12:22 vorm. schrieb "Gary Gregory" : > I vote for Phil to be the first Apache Math PMC Chair. > > Gary > > On Thu, Feb 4, 2016 at 2:30 PM, Phil Steitz wrote: > > > We have the following volunteers for the new TLP, which

[RESULT][math] [POLL] new TLP name

It looks like just plain "math" is the quantitative winner. Here is the full tally: Among PMC volunteers: math 4 (Phil, Gary, Thomas, Otmar) Epsilon 1 (Luc) aJama 1 (Gilles) Other votes: math 9 (James, Emanual, Norm, Bruno, Christopher, Damjan, Patrick, Martin, Henri) Epsilon 3 (Evan, Ole,

[ANNOUNCE] Apache Commons Weaver 1.2 Released

The Apache Commons Team is pleased to announce the availability of: Apache Commons Weaver 1.2 Apache Commons Weaver provides an easy way to enhance compiled Java classes by generating ("weaving") bytecode into those classes. The release notes can be reviewed at:

Re: [math] [POLL] new TLP name

On 2/2/16 11:44 AM, Thomas Neidhart wrote: > On 02/01/2016 06:06 PM, Phil Steitz wrote: >> Please select your top choice among the following suggested names >> for the new [math]-based TLP. All are welcome and encouraged to >> respond. This POLL will be open for 72 hours, at which time two >>

[math] LevenbergMarquardt Evaluation Lazy vs. Unlazy

Hi, Has anyone performed any benchmarking on lazy vs. unlazy Evaluation(s) or is there some obvious criteria on when to use one vs. the other? I only see getResiduals() being called once in the optimize() method right after a new evaluation is created: current =

Re: [RESULT][math] [POLL] new TLP name

I'm indifferent. -- H On 4 February 2016 at 11:39, Phil Steitz wrote: > It looks like just plain "math" is the quantitative winner. Here is > the full tally: > > Among PMC volunteers: > > math 4 (Phil, Gary, Thomas, Otmar) > Epsilon 1 (Luc) > aJama 1 (Gilles) > > Other

Re: [RESULT][math] [POLL] new TLP name

Being pedantic: It was "Apache Math" that got the most votes, not "Apache math". I hope the former is what gets put forward. On 4 February 2016 at 19:39, Phil Steitz wrote: > It looks like just plain "math" is the quantitative winner. Here is > the full tally: > > Among

Re: [RESULT][math] [POLL] new TLP name

On Thu, Feb 4, 2016 at 12:39 PM, sebb wrote: > Being pedantic: > > It was "Apache Math" that got the most votes, not "Apache math". > I hope the former is what gets put forward. > +1 Gary > > On 4 February 2016 at 19:39, Phil Steitz wrote: > > It

[IO] commons-io 2.5 release?

Hi, AFAICS 2.5 has not been released, and I'd like to start promoting IO-487. Are there any plans to release soon? -Bertrand - To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: