Hello.
Code under directory
src/userguide
has been fixed in commit 0020bc5a7bce41e39c341b71dc6bf5723f68e987 (on "master").
Regards,
Gilles
Le jeu. 13 mars 2025 à 00:46, Gilles Sadowski a écrit :
>
> Hi.
>
> Le mer. 12 mars 2025 à 17:21, Andy Russell a écrit :
>
at.
I'll try and have a look...
Concerning "FastMathTestPerformance", it is an outdated benchmark;
it should be replaced with one that uses JMH.
[The "FastMath" class itself has been renamed "AccurateMath".]
Regards,
Gilles
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ging functionality is needed, use the API.
And select the recommended .
[IMO too, it makes sense to delegate to "ASF Log4J" rather than
continue (hardly) maintaining something else here.]
Regards,
Gilles
>
> Gary
>
> On Thu, Feb 6, 2025, 04:31 Piotr P. Karwasz
> wrot
ouldn't find anything relevant.
> > Yet, because data scaling is a very common step in ML, I feel I am missing
> > something.
Maybe this
https://commons.apache.org/proper/commons-math/javadocs/api-4.0-beta1/or
JIRA ticket page.
Thanks,
Gilles
Le lun. 16 déc. 2024 à 00:01, Jay van Bruggen
a écrit :
>
>
> Hi, I have used Apache math a lot lately,
> to my great satisfaction.
> However,
> Using FiniteDifferencesDifferentiator, In both 3.6 and 4.0 I have tried
> and compared the
> N
Le mer. 28 févr. 2024 à 16:00, Bruno Kinoshita
a écrit :
>
> Hi Gary,
>
> What would be the main difference between the alpha and M1 releases?
>
> I am not 100% confident that we have the public and protected API right,
> > specifically we might have too much public and protected. YMMV.
>
>
> Agre
Le jeu. 22 févr. 2024 à 19:35, Zak Mc Kracken
a écrit :
>
> On 22/02/2024 19:15, Gilles Sadowski wrote:
> > The above class exists as of version 1.1 of "Commons Statistics",
> > which hasn't been released yet.
>
> Thank you Gilles. I look forward to the new
bove class exists as of version 1.1 of "Commons Statistics",
which hasn't been released yet.
>
> How is it? Is it somewhere else? Should I include something else in my
> project?
For testing, you could try the (non-official) snapshots:
https://repository.apache.org
e.org/jira/projects/MATH
Regards,
Gilles
Le ven. 18 août 2023 à 00:41, 杨心文 蚊子 a écrit :
>
> Hello,
> These are something need to be modify in user guide of commons.math.
>
>
> Math – The Commons Math User Guide - Statistics (apache.org)
>
>
>
>
> The code above w
sion 2.11.0
> * Commons collection-Version-3.2.2
> * Commons compress-Version-1.23
Generally, only the latest release of a component is supported.
Latest versions are listed here:
https://commons.apache.org/
Regards,
Gilles
---
Le mer. 12 juil. 2023 à 00:13, Gary Gregory a écrit :
>
> I updated the Javadoc for both classes.
Thanks.
FTR, I've filed
https://issues.apache.org/jira/projects/LANG/issues/LANG-1701
for the more important issue(s).
Rega
eld of the top-level object on a new line, but it
does not apply this layout to the "composing" objects: Referring to
the example quoted below, the array "contentArr" would be printed on
a single line (in my use case, that line is 183312 characters long).]
For large objects,
ic Content[] getContentArray() {
return contentArr;
}
}
---CUT---
how should I go about in order to get the "diff" between instances
of "MyContainer"?
Thanks,
Gilles
[1]
https://commons.apache.org/proper/commons-lang/javadocs/api-release/o
"org.apache.commons.math4.legacy", e.g.
https://commons.apache.org/proper/commons-math/javadocs/api-4.0-beta1/org/apache/commons/math4/legacy/fitting/WeightedObservedPoints.html
Regards,
Gilles
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Le mar. 11 avr. 2023 à 17:40, Jorge Garcia de Alba
a écrit :
>
> Hello,
>
> It would be wonderful to have integer programming. Thanks.
Contributions/developers are welcome.
Regards,
Gilles
-
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not 4.x if you expect support).
Regards,
Gilles
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m
the email message) and who is a member of the "Commons" PMC.
Any ASF committer can obtain write access to "Commons" repositories;
just ask Gary (PMC Chair).
Regards,
Gilles
>
> On Wed, Feb 1, 2023, 7:58 AM Gilles Sadowski wrote:
>
> > Le mer. 1
an commit directly here (at ASF "Commons")?
> (not sure
> where I would have to register/report my github id such that it can be
> associated with my ASF id).
https://whimsy.apache.org/roster/committer/__self__
HTH,
Gilles
-
d on the lastest (i.e. supported)
version of JEXL.
Please post specific questions about upgrading the BSF codebase
using a "Subject:" line with the "[BSF]" prefix (on "dev@").[1]
Thanks,
Gilles
[1] There are dozens of components, sharing the same ML.
Hi.
Le jeu. 26 janv. 2023 à 16:52, Federico Grilli
a écrit :
>
> Thanks for you reply Gilles (sorry but for some reason I can’t reply directly
> to your message).
?
It seems that this one arrived at the right place (in the same thread).
>
> I was also wondering if there’s a l
, the project needs people who stick around for long enough
so that they become PMC members, and then continue to be able
to manage the release process of even just one component if/when
necessary.
Best regards,
Gilles
-
To unsu
cussions, and, maybe, to agree on how
to modify the current templates/plugins so that that file is generated
as part of the release process.
Regards,
Gilles
> [...]
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ections/ as sebb point is out.
If there were an issue on the other servers, that would matter too.
[But there isn't, as noted in my previous mail.]
Gilles
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For add
Le ven. 30 déc. 2022 à 19:02, sebb a écrit :
>
> On Fri, 30 Dec 2022 at 16:55, Gilles Sadowski wrote:
> >
> > Le ven. 30 déc. 2022 à 17:29, Gary Gregory a écrit
> > :
> > >
> > > That's the download page, not what you are downloading. What
not match the checksum in
https://www.apache.org/dist/commons/collections/binaries/commons-collections4-4.4-bin.tar.gz.sha512
(both links taken from the "download_collections.cgi" page).
Gilles
>
> Gary
>
> On Fri, Dec 30, 2022 at 11:26 AM wrote:
> >
> > Hi Gary,
ecurity.html
>
> Any details on the release plans will be of much help to us. Kindly help us
> by providing those details. Thanks in advance.
Wouldn't it be helpful if you'd provide a detailed list of requirements
for a
om
https://commons.apache.org/math/download_math.cgi
When downloading, please verify signatures using
https://downloads.apache.org/commons/KEYS
Maven artifacts are also available from the Maven Central repository:
https://repo.maven.apache.org/maven2/org/apache/commons
Best regards,
Gille
ther significantly.
>
>
Commons Math v3.6.1 (and earlier) has no dependencies, except for
running the test suite.
The upcoming release (v4.0-beta1) will depend on other Commons
components ("Numbers", "Geometry", "RNG" and "Statistics").
Regards,
Gille
what "compatibility" means here.
The ASF provides source code (Java code in the case of the "Commons" project),
so you can compile it on any computer/system/distribution of your choice as long
as there is a Java compiler installed.
al
input. [Something which "cottonspace" might want to help with (?).]
Gilles
>> [...]
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question question should probably be discussed on the "dev" ML.[1]
>
> I'd like to contribute to the project also.
Then please do subscribe to the "dev" mailing list as this is where you can
collect infos about the ongoing work, and propose to help on it.
Best reg
u have any prospects for when the version 1.0 will be released?
The surest way to bring the date closer is to contribute to the project.
Best regards,
Gilles
>
> Note) I would like to use this library only for read/write EX
Hello.
Le jeu. 17 nov. 2022 à 13:38, Pavel Belousov
a écrit :
>
> [...]
>
> As I cannot sign up for your jira, [...]
What do you mean?
Regards,
Gilles
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Hello.
Le mar. 2 août 2022 à 10:42, Yaqiang Wang a écrit :
>
> Gilles,
>
> What I gather from the documentation is that the intended purpose is
> > to track the values of some function and all its derivatives when the
> > function is defined programmatically (usin
Hello.
Le lun. 1 août 2022 à 16:03, Yaqiang Wang a écrit :
>
> Gilles,
>
> Thanks so much for your patiently response! I know I can write a gradient
> method for a specific function, but my purpose is to make the gradient
> method suitable for any function of yi = f(xi, p1,
le a = parameters[0];
final double b = parameters[1];
final double c = parameters[2];
final double[] grad = new double[3];
grad[0] = Math.exp(-b * x);
grad[1] = -a * x * grad[0];
grad[2] = 1;
return grad;
}
}
---CUT---
HTH,
Gilles
> [..
oned at the beginning, curve_fit can not return
> the fitting result.
If you had attached figures to this message, the ML manager
quite possibly discarded them.
Perhaps better file a JIRA report:
https://issues.apache.org/jira/projects/MATH
Regards,
Gilles
>
>
> I have no idea ho
Le dim. 31 juil. 2022 à 03:46, Yaqiang Wang a écrit :
>
> Gilles,
>
> Thanks for your reply! Concretely to the point, I want to implement SciPy
> curve_fit function using Java and Jython through Apache commons math
> library. Any idea of it?
I guess that your functi
t; But I can not get the same result as SciPy curve_fit function. I nee your
> help, Thanks!
What you want to achieve is not clear to me.
Sorry,
Gilles
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es maintained by the ASF "Commons" project are listed there:
https://commons.apache.org
Which components do you refer to?
Regards,
Gilles
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For a
R porpuses.
Great, thanks!
Gilles
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implements a new "BivariateDifferentiableFunction" interface:
---CUT---
public interface BivariateDifferentiableFunction extends
BinaryOperator
{}
---CUT---
Regards,
Gilles
-
To unsubscribe, e-mail: user
FAIK.
>
> If this is not the right place to talk about this, I apologize for it.
The right place to discuss development is the "dev" ML.
The "user" ML is for question about usage of "Commons" components.
Regards,
Gilles
> > [...]
-
d a
> little incompatibility, so I don't think it can merge back to the main line.
Not entering into details here, those look like improvements that could
be discussed on "dev"...
Regards,
Gilles
-
To unsubsc
feedback on any problems. Thank you very much.
>
> Here is the link:
>
> https://github.com/Glavo/kala-compress
Are you indirectly suggesting that the two code bases be merged?
If so, please post to the "dev" ML.
Regards,
Gilles
Hello.
Le lun. 24 janv. 2022 à 08:21, qiqi tang a écrit :
>
> *HI Gilles Sadowski,*
>
>
>
> @Overridepublic double[] fit(Collection points) {
> final double[] p = super.fit(points);
> return new double[] {
> constrainedM.value(p[0]),
>
(Arrays.toString(coeffs));
> }}
>
> Then, What should I do to limit the parameters 'm' to 1 to 100 and 'k'
> to 100 to 10,000，It would be nice if the code dome was available.
I don't understand what "code dome" means.
> Please help me thank y
Le dim. 12 déc. 2021 à 12:27, wqbill a écrit :
>
> https://commons.apache.org/proper/commons-math/userguide/linear.html
> The example of linear systems of equations should be
> 2x + 3y - 2z = 1
> -x + 7y + 6z = -2
> 4x - 3y - 5z = 1
Thanks![1]
Regards,
Gilles
[1]
https:/
cific (e.g. code excerpts) about what you are
trying to achieve?
Best regards,
Gilles
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Le mar. 10 août 2021 à 20:23, Gilles Sadowski a écrit :
>
> Hi.
>
> Le mar. 10 août 2021 à 17:38, Jorge Garcia de Alba
> a écrit :
> >
> > Hello,
> >
> > Would apache commons math be interested in adding code that could
> > easily be used in java
jrt_routines
Thanks. This is high-level requirement that would probably
call into an intermediate level doing the adaptation to the
low-level Commons Math (CM) API; I don't think that it can
provide useful hints about what the CM API should look like.
Best regards,
Gilles
[1]
https:/
data = /* populate with params */;
return s.optimize(data);
}
}
---CUT---
Best regards,
Gilles
> Great job.
>
> org.apache.commons.math3.optim.linear.SimplexSolver
>
> Jorge Garcia de Alba
-
To unsubscribe, e
w days. The release process of "Commons Geometry"
v1.0 will probably start shortly afterwards.
>
> Happy for some guidance here.
I suggest that you test the current snapshot[1] as the official release should
be very similar. It is important to know that your use-case is indeed covere
Hello.
Le mar. 8 juin 2021 à 08:14, Christoph Läubrich
a écrit :
>
> Hi Gilles,
>
> I have used the the INFINITY approach for a while now and it works quite
> good. I just recently found a problem where I got very bad fits after a
> handful of iterations using the Levenberg
ut, effectively in the "Commons" project,
the scarce number of people doing the work.
> Is there anything that can be improved in this?
Come and help (or ask people to do so). ;-)
Best,
Gilles
>>> [...]
--
ommons/math4/fitting/leastsquares/package-summary.html
Best regards,
Gilles
> [...]
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Hello.
[Cc'ing to the "dev" ML, as this discussion belongs there.]
Le ven. 2 oct. 2020 à 18:17, Christoph Läubrich
a écrit :
>
> Thanks Gilles, I'm currently trying to dive into all of this a bit
Your help is very welcome.
> and
> just wondering:
>
&g
; with the Java
world is possible). Overloading is possible in Groovy[2], for
example...
---CUT---
more operations for angles and vectors, close equality check for complex numbers
---CUT---
Feature requests welcome. Even more so, why not become an
"insider"? After all, an Apache
"Fraction" and
"BigFraction".]
> Furthermore, do you expect the release version
> to be somewhat/quite different from the current beta version?
The purpose of release a "beta" was to get feedback and act
accordingly. Hopefully your blog will help. :-)
I look f
t; and "linear" becoming
(maven) modules.
Regards,
Gilles
> And some of the common util/exception things that drip in when using the
> above.
>
> Am 14.08.20 um 18:42 schrieb Gilles Sadowski:
> > Le jeu. 13 août 2020 à 15:46, Christoph Läubrich
> > a écrit :
> >&
bers" is probably incomplete.
Looking for volunteers in order to continue porting more useful
stuff from CM (refactoring them on the way by making use of
Java 8 features).
Regards,
Gilles
[1] http://commons.apache.org/proper/commons-numbers/
---
d that there is development in
> commons-math-4 and might be out of date with my knowledge a bit as an
> "old" math3 user :-)
Which classes/packages have you been using?
Gilles
>
> Am 13.08.20 um 15:12 schrieb Gilles Sadowski:
> > Hi.
> >
> > Le jeu. 13 août 202
" is one among several utilities that still need to
be ported (and refactored) there.[2]
We are looking for volunteer maintainers for the math tools available from
the Commons libraries. The move to more focused, smaller, components
should hopefully simplify development...
Best,
Gilles
[1]
https
on/Gaussian.java;h=08dcac0d4d37179bc85a7071c84a6cb289c09f02;hb=HEAD#l143
}
---CUT---
to be passed to "SimpleCurveFitter".
Regards,
Gilles
>
>
>
> [1]
> https://crlbucophysics101.files.wordpress.com/2015/02/gaussian.png?w=538&h=294
>
>
>
>
> Am 11.08.20 um
Hi.
2020-08-11 8:51 UTC+02:00, Christoph Läubrich :
> Hi Gilles,
>
>
> Just to make clear I don't suspect any error with GausianCurveFitter, I
> just don't understand how the advice in the user-doc to restrict
> parameter (for general problems) could be applied to a
get is why you need to force the mean within a
certain range; if the data match a Gaussian with a mean within that
range, I would assume that the fitter will find the correct value...
Sorry if I missed something. Hopefully the example will clarify.
Best,
Gilles
>
>
> [1]
> https://
;t the functionality implemented in the
org.apache.commons.math4.optim.linear
package[1] what you are looking for?
Regards,
Gilles
[1]
http://commons.apache.org/proper/commons-math/apidocs/org/apache/commons/math4/optim/linear/package-frame.html
?p=commons-rng.git
> and
> make changes.
Then, you'd "clone" the code repository.
How to contribute is generally described on a component's
site. When you have questions/proposals about development,
they should be posted o
te to repost (using the "[Geometry]" prefix in the subject).
Best regards,
Gilles
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ve
along the x-axis.
Also it seems that the current code could be made more robust by
shifting the abscissa of the maximum height to 0 before performing
the rest of the computation.
Could you please file a report on the bug-tracking system
=true
?
[Would be the expected syntax (IMHO).]
Regards,
Gilles
>
> On Fri, Mar 20, 2020 at 1:19 PM Mark Thomas wrote:
> >
> > On 20/03/2020 13:50, ken edward wrote:
> > > Hello,
> > >
> > > When I deploy my tomcat war it produces the below error messa
)
example, in the form of a Junit tests to be added to the test suite.
Best regards,
Gilles
Le sam. 11 janv. 2020 à 22:15, Bo Johnson a écrit :
>
> Hi there,
>
> I'm new to Java and working on a project to integrate some ODEs. I'm
> having issues knowing how to work with
Hello.
Short answer: The "geometry" package of "Commons Math" will
be deprecated, as we currently work on a new component:
https://gitbox.apache.org/repos/asf?p=commons-geometry.git
There is no official release yet, but you should definitely test it.
Best regards,
Gille
id you compare
with other libraries?
* Did you investigate how the performance varies with matrix size?
* Do you observe the same slow-down with other decomposition
classes?
* Is the behaviour similar with square matrices?
* Which matrix implementation do you use?
Regards,
Gilles
[1] https://i
a_bar = misalignmentMatrix*scalingMtrix*(a_hat) - (diag([E(7), E(8),
> E(9)])*ones(3, length(a_hat)));
>
> residuals = zeros(length(a_bar(1,:)), 1);
>
> for i = 1:length(a_bar(1,:))
> residuals(i,1) = 9.81744^2 - (a_bar(1,i)^2 + a_bar(2,i)^2 + a_bar(3,i)^2)
> end
>
ew code will be in "Commons Statistics".[1]
Your observation is an interesting data point for this task; could you please
file a report in JIRA[2] and/or mention on the "dev" ML?
Thanks,
Gilles
[1] http://commons.apache.org/proper/commons-statistics/
[2]
https://issues.apache
ers/contributors for this "core" dependency are also most
wanted in order to iron out the pending issues:
https://issues.apache.org/jira/projects/NUMBERS/issues/NUMBERS-74?filter=allopenissues
Please chime in on the "dev" ML if you'd like to help.
Thanks,
Gilles
>
by new components:
* "Commons RNG"
* "Commons Numbers"
* "Commons Geometry"
* "Commons Statistics"
What functionality are you looking for?
We are certainly interested to know whether there is anything that
prevents using those components for developing ap
n(om)+Sqrt(-1*Math.pow(Cos(th2),2)*Math.pow(s,2)+2*Cos(th2)*Sin(om)*R*s-Math.pow(Cos(om),2)*Math.pow(R,2)+Math.pow(R,2)+2*Math.pow(s,2)))/(Sin(th2)*s));
> }
> }
You could improve readability and performance by
* not calling "pow" to get the square,
* not compute the same value mult
Le jeu. 14 mars 2019 à 07:54, Diptendu Dutta
a écrit :
>
> The SCXML snapshot repository does not contain any JAR files,
https://repository.apache.org/content/repositories/snapshots/org/apache/commons/commons-scxml2/2.0-SNAPSHOT/
HTH,
Gilles
> they only have MD5 and SHA1 signatures.
me browsing of the source code but did not
find the functionality, you are welcome to create a report on
the issue-tracking system:
https://issues.apache.org/jira/browse/GEOMETRY
Regards,
Gilles
-
To unsubscri
.apache.org/repos/asf?p=commons-geometry.git
Thanks for your interest,
Gilles
>
> Best regards
>
> Konstantin Kreutzer
>
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Hi Sven.
Le jeu. 24 janv. 2019 à 09:21, Sven Rathgeber a écrit :
>
> > Matt Juntunen leads the development of "Commons Geometry".
> > Hopefully, he'll have a look at your example.
Please have a look at the fix (in "master" no
uch OutOfMemoryError happen?
This caveat is mentioned in the documentation:
http://commons.apache.org/proper/commons-math/javadocs/api-3.6.1/org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html
> Is there a way around that problem?
Yes; also mentioned in the above link.
H
would be to file a report on the bug-tracking system[1] and
attach a patch (or a git pull request) to it.
Thanks,
Gilles
[1] https://issues.apache.org/jira/projects/GEOMETRY
>
> Regards. Sven
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>
> Hmm, any ideas.
Please try the new project's code, and let us know how it goes.
Best regards,
Gilles
[1] https://commons.apache.org/geometry
[2] Source repository is here:
https://gitbox.apache.org/repos/asf?p=commons-geometry.git
> [...]
--
Hi.
Le dim. 20 janv. 2019 à 00:08, Andreas Beeker a écrit :
>
> Hi Gilles,
>
> sorry for not responding immediately, but I had to sort out something on my
> other projects first.
>
> > The Commons PMC has voted write-access to all Apache committers.
> > [It does n
n the snapshot repo [2].
Who may I nag about committing the patch?
You. ;-)
The Commons PMC has voted write-access to all Apache committers.
[It does not necessarily work right away; please test.]
Regards,
Gilles
Best wishes,
Andi
[1] https://issues.apache.org/jira/browse/SANDBOX-508
[2]
233.7927945744999 W' 18662.916420529345
cp 245.72618039512386 W' 22592.92114117481
cp 248.91747806252718 W' 23643.613738664597
cp 249.9974080222 W' 23999.146684
...
cp 249.9993520052 W' 23999.7866709
optimum {250; 24,000}
Any ideas?
What happens when different startin
Hi.
On Tue, 18 Dec 2018 20:54:22 +0700, Maxim Solodovnik wrote:
Hello Gilles,
I read documentation and as far as I can see To perform release I
need
rights to create branch
git remote -v
origin g...@github.com:apache/commons-collections.git (fetch)
origin g...@github.com:apache/commons
ns" project has granted "write" access to all
Apache committers.
[But some repositories perhaps miss the actual settings
to make it work. You'll have to try...]
HTH,
Gilles
[1] https://github.com/apache/openmeetings/blob/master/KEYS#L88
On Tue, 18 Dec 2018 at 01:06, sebb w
Hi.
On Mon, 17 Dec 2018 15:12:16 +0700, Maxim Solodovnik wrote:
Hello Gary,
Is there any progress? :)
Suggestion: Be the release manager of 4.3.
Regards,
Gilles
On Tue, 4 Dec 2018 at 00:07, Gary Gregory
wrote
ps://repo1.maven.org/maven2/org/apache/commons/
Best regards,
Gilles (on behalf of the Apache Commons Team)
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/proper/commons-math/apidocs/org/apache/commons/math4/stat/regression/package-summary.html
Regards,
Gilles
Thanks for your help
--
Jonathan MERCIER
Centre National de Recherche en Génomique Humaine (CNRGH)
Researcher computational biology
PhD, Jonathan MERCIER
Bioinformatics (LBI)
2, rue Gaston
tsquares.html
[While working your way to implementing the code for getting the
solution,
you could even contribute another example to that page.]
If you can't make it work, don't hesitate to ask more.
HTH,
Gilles
Once again, many thanks for your kind reply and insights into the
app
tiveFunctionGradient".
The unit tests classes show examples:
https://git1-us-west.apache.org/repos/asf?p=commons-math.git;a=blob;f=src/test/java/org/apache/commons/math4/optim/nonlinear/scalar/gradient/NonLinearConjugateGradientOptimizerTest.java;
ommons-math/apidocs/org/apache/commons/math4/fitting/leastsquares/LeastSquaresProblem.Evaluation.html
However, they might still not be what you are looking for...
HTH,
Gilles
final PolynomialFunction polynomial = getPolynomialFitter(trainData);
System.out.printf("
Still, it would be nice if that was stated definitively.
I'd say "exclusive" but without any warranty. ;-)
The doc of "Commons RNG" has pointers to the references.
Review and patch welcome!
Regards,
Gilles
--
On Fri, 9 Mar 2018 16:35:57 -0500, Matt Bru wrote:
I have a question about
org.apache.commons.math3.random.BitsStreamGenerator.
Please note that the package "org.apache.commons.math3.random"
is deprecated (see [1]).
Regards,
Gilles
[1] http://commons.apache.org/rng
nextDouble()
the unit tests[1]?
Hopefully, it should show how to set up your code.
Best,
Gilles
[1]
https://git1-us-west.apache.org/repos/asf?p=commons-math.git;a=blob;f=src/test/java/org/apache/commons/math4/stat/regression/OLSMultipleLinearRegressionTest.java;hb=HEAD
On 12/31/2017 4:56 PM, Gilles
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