Le 07/01/2016 16:16, Carlos M. Casas Cuadrado a écrit :
> Hi all,
Hi Carlos,
> there is an interface for univariate solvers and several implementations of
> it. Is it planned to add an interface for multivariate solvers (for zeroes
> of functions R^n -> R^n i.e. a set of n multivariate
to submit bug reports, patches, or suggestions for improvement,
see the Apache Commons Math website:
http://commons.apache.org/proper/commons-math/
Luc Maisonobe, on behalf of the Apache Commons community
-
To unsubscribe, e-mail
Le 10/09/2015 23:40, Matthew Kehoe a écrit :
> Hello All,
Hi Matthew,
>
> I ran into trouble while creating a Java program for the
> NewtonRaphsonSolver algorithm.
>
> I made a post about this problem on Stack Overflow at
>
Le 13/08/2015 23:20, Monty Hall a écrit :
Not exactly sure how it works. I need a BSP on short order. Given a set
of polygons, I'd like a BSP generated. Please advise. Any working code on
how to use it too?
Hi Monty,
Yes, BSP trees can be created from polygons in some cases, but I am not
Hi Mike,
Le 23/06/2015 21:17, mike shugar a écrit :
To amplify and extend the question - would also like to know the same
info where bigdecimal is involved.
I really don't know. We don't reall use BigDecimal in Apache Commons
Math. We rather used Dfp when we need high accuracy. Dfp does
Hi Andrew,
Le 23/06/2015 19:08, Andrew E. Davidson a écrit :
sorry if this has been asked many times before. (maybe this can be
added to the FAQ?)
has anyone done any bench marking?
Yes.
The idea of having a math package that is implemented pure java is
very attractive. My experience
Le 10/06/2015 15:16, Gilles a écrit :
On Wed, 10 Jun 2015 14:45:41 +0200, Thomas Neidhart wrote:
On 06/10/2015 01:44 PM, Gilles wrote:
On Wed, 10 Jun 2015 12:23:58 +0200, Thomas Neidhart wrote:
On 06/09/2015 11:42 PM, Gilles wrote:
On Tue, 09 Jun 2015 23:19:35 +0200, Thomas Neidhart wrote:
Le 14/05/2015 16:40, Bernard GODARD a écrit :
Dear all,
Hi Bernard,
The user guide on ordinary differential equations
http://commons.apache.org/proper/commons-math/userguide/ode.html
is very useful to understand how to use ODEWithJacobians and
ParameterizedODE.
but not up to date.
You
website:
http://commons.apache.org/proper/commons-math/
Luc Maisonobe, on behalf of the Apache Commons community
-
To unsubscribe, e-mail: user-unsubscr...@commons.apache.org
For additional commands, e-mail: user-h
Le 28/01/2015 11:41, andrea antonello a écrit :
Hello everyone,
Hi Andrea,
I was wondering if there is a way to create an approximated curve in
3d given a set of xyz coordinates.
Yes, there is a way.
To make myself more clear with an example, lets assume I have the
center point of a tree
Commons Math, including
instructions on how to submit bug reports, patches, or suggestions for
improvement, see the Apache Commons Math website:
http://commons.apache.org/proper/commons-math/
Luc Maisonobe, on behalf of the Apache Commons community
Hi Luke,
Le 03/10/2014 13:40, Luke Lindsay a écrit :
Hello,
I am using the apache math DerivativeStructure framework. In general
I find it very useful, however sometimes I find having to specify the
number of free parameters and order for what are essentially constants
makes code complex.
Hi South Light,
Le 14/08/2014 19:05, South Light a écrit :
Hi Thomas,
My problem is to find the best A value in y = 10 ^ ((x + 82) / (-10 * A))
that fits better in a set of data. I'll be getting different sets of data.
I'm new in the use of the math lib and the examples found are all
Hi Alexander
Le 06/08/2014 15:53, Alexander Nozik a écrit :
A DerivativeStructure and UnivariateDifferentiableFunction are great
tools if one needs to investigate the whole function but are not
convenient if one just needs derivative in a given point.
In order to calculate a derivative of
Hi Mansour,
Le 15/07/2014 15:02, Mansour Al Akeel a écrit :
I am new to commons-math. I need to solve simple equations in the form
x + 3 = 10
The closest thing I was able to find is
http://commons.apache.org/proper/commons-math/userguide/linear.html#a3.4_Solving_linear_systems
If you have
Hi Calle,
Le 24/03/2014 17:28, Calle Ekdahl a écrit :
When using the event handler in the ODE solver I’m getting the error
message/exception
Exception in thread main
org.apache.commons.math3.exception.NoBracketingException: function values at
endpoints do not have different signs,
Hi Avi,
[first of all, please add a [math] marker in the subject line when
posting questions here about this component. The list is shared among
all Apache Commons Components, and this marker help subscribers to
filter messages appropriately, thanks].
Le 20/12/2013 12:31, ABINASH MISRA a écrit :
Hi Andrea,
Le 06/12/2013 10:02, andrea antonello a écrit :
Hi Ted,
thanks for the reply.
How would you like to handle the fact that you may have an infinite number
of solutions? Will you be happy with any of them? Or do you somehow want
to find all of them?
I am afraid my math
have the same weight
you may well use simply 1.0 as the global weight for everyone.
best regards,
Luc
Thanks,
Andrea
On Fri, Dec 6, 2013 at 10:58 AM, Luc Maisonobe l...@spaceroots.org wrote:
Hi Andrea,
Le 06/12/2013 10:02, andrea antonello a écrit :
Hi Ted,
thanks for the reply
Le 30/10/2013 11:45, BIGNON Emmanuel a écrit :
Hello,
Hi Emmanuel,
Commons Math has a class Precision that defines equalities and inequalities
using epsilon values.
I noticed that Commons Math uses the Precison.equals method when necessary
(for equalities), but never the
Hi Li Li,
First of all, please note that this mailing list is shared among many
Apache Commons components, so the name of the component (here [math])
must be included in the subject line as I did when answering your
question), so it helps the numerous subscriber to filter.
Le 11/10/2013 08:31,
Le 11/10/2013 09:48, Luc Maisonobe a écrit :
Hi Li Li,
First of all, please note that this mailing list is shared among many
Apache Commons components, so the name of the component (here [math])
must be included in the subject line as I did when answering your
question), so it helps
Hi Curtis,
Le 29/07/2013 23:37, Curtis Jensen a écrit :
The 2D Euclidean union function sometimes produces an extra, in-line, vertex.
For example, in the testUnion function in the
org.apache.commons.math3.geometry.euclidean.twod.PolygonsSetTest, the
set produced by the union of set1 and
Hi Christoph,
Le 23/05/2013 10:39, Christoph Höger a écrit :
Am 22.05.2013 22:50, schrieb Luc Maisonobe:
I am not sure I understood your use case properly. I'll look at it further
in the next few days.
A first very quick answer is that the interface as it is defined does not
seem
Le 25/05/2013 21:27, Luc Maisonobe a écrit :
Hi Christoph,
Le 23/05/2013 10:39, Christoph Höger a écrit :
Am 22.05.2013 22:50, schrieb Luc Maisonobe:
I am not sure I understood your use case properly. I'll look at it further
in the next few days.
A first very quick answer
in your case the value method would look like this imho:
public DerivativeStructure value(DerivativeStructure t) {
return t.multiply(t);
}
This just a quick help from myside, Luc (Maisonobe) will surely give you
more infos on how to use the DerivativeStructure.
Thomas
Christoph Höger christoph.hoe...@tu-berlin.de a écrit :
Dear all,
Hi Christoph,
I am currently working with the DerivativeStructure-based AD framework
integrated into math 3.2.
Calculating the n-th order partial derivatives works fine, but I am
facing some trouble calculating the n-th
Le 17/04/2013 08:12, eric henon a écrit :
Sorry,
I made a mistake,
I'm not used with Jacobian,
the jacobian[i][2]= -1/x ... (without c parameter ...)
and it should be ok
using the common apache MultivariateMatrixFunction jacobian ...
Yes, what is needed correspond to partial
Le 17/04/2013 10:08, Eric HENON a écrit :
Hello,
I'm trying to do a non linear
regression using the LevenbergMarquardtOptimizer.
I have copied the proposed Demo code at:
http://commons.apache.org/proper/commons-math/userguide/optimization.html
and I get the following error at the java
Le 16/01/2013 16:14, Adrien ANDRÉ a écrit :
Hi all,
Hi Adrien,
does someone know how i could integrate propagation of uncertainty
(https://en.wikipedia.org/wiki/Error_propagation) using something better
organized than Michael Thomas Flanagan's ErrorProp Class
Hi Curtis,
Le 12/10/2012 17:49, Curtis Jensen a écrit :
Should I create a bug report in Jira?
Yes please. This will allow us to not forget this report and check
what's going on.
thanks,
Luc
--
Curtis
On Thu, Oct 11, 2012 at 2:32 PM, cac...@gmail.com cac...@gmail.com wrote:
Those sound
regards,
Luc
Best regards,
Martin
Original-Nachricht
Datum: Sat, 25 Aug 2012 14:03:33 +0200
Von: Luc Maisonobe luc.maison...@free.fr
An: Commons Users List user@commons.apache.org
Betreff: Re: [math] How to use the BSP Tree?
Le 25/08/2012 12:17, Martin Ennemoser
Le 25/08/2012 12:17, Martin Ennemoser a écrit :
Hi!
Hi Martin,
I have a polyhedron in 3D space that consists of a triangle mesh. Now I want
to use the BSP tree to classify wheter a point is inside or outside of the
polyhedron.
The problem is that I don't know how to construct a BSP tree
Le 03/08/2012 09:38, Gabriele Bulfon a écrit :
Hi,
Hello,
Please note that I have changed the subject of your message to add the
[math] marker. This list is shared among several components and we ask
users to set such a marker to help filtering.
while converting a Matlab source, I encountered
Le 23/05/2012 19:21, Jean-François MAUREL a écrit :
Hi,
Le 23/05/2012 16:56, Gilles Sadowski a écrit :
A patch is welcome to speed things up (the proposed fix was discussed
on the
ML, see the archive).
Trying to check out with svn from eclipse Helios (Windows vista) I get:
Checkout
Le 14/05/2012 14:11, Andreas Niekler a écrit :
Hello,
Hi Andreas,
after reading a lot through the tutorial this is the code that i came up
with regarding the implementation of a gaussian process regression
optimisation (File appended):
initCovarianceAndGradients(): initialisation of
Le 19/04/2012 18:43, Bernard GODARD a écrit :
Well, let's say you have a framework which requires solving
an equation deep down, and you want to pass a solver from the
outside. I admit this is exotic, and in all of the examples I've
seen the usage of a solver in such a framework was ultimately
oscillation problems (i.e a polynomial that has very large changes
between the sampling points).
Hope this helps
Luc
-sujit
On Mar 30, 2012, at 2:36 PM, Luc Maisonobe wrote:
SUJIT PAL sujit@comcast.net a écrit :
Hi,
I have a (newbie) question about how to go about solving
SUJIT PAL sujit@comcast.net a écrit :
Hi,
I have a (newbie) question about how to go about solving the problem
below with commons-math.
1) I have histogram data (equal x intervals) based off some
distribution.
2) I need a way to calculate the second differential between two given
x
Le 27/03/2012 00:11, billy bob a écrit :
The most recent version currently on maven central is 2.2. Any idea when 3.0
will be available?
Note that since this was a major release, and as per recent Commons
policy, the artifact ID has changed from commons-math to commons-math3.
Luc
Le 16/03/2012 18:39, Ted Dunning a écrit :
If you really must do this, use a solver and feed it the identity matrix.
That is, given the matrix A, solve the matrix system AX = I
Any solver that handles complex matrix right hand sides will do this for
you. Iterative calls to a solver with
Le 13/03/2012 07:34, Tim Bessie a écrit :
Hi all...
Hi Tim,
So we're keeping some config information CompositeConfiguration object, and
we need to get subsets of this configuration data.
When I call .subset(...), and then do some checks on the subset (isEmpty(),
etc.), I sometimes get
Le 13/02/2012 13:48, Gilles Sadowski a écrit :
On Mon, Feb 13, 2012 at 01:59:54PM +0300, binodc wrote:
Newton Solver
http://commons.apache.org/math/apidocs/org/apache/commons/math/analysis/solvers/NewtonSolver.html
This is a root finder algorithm for which you have to provide an explicit
Le 03/01/2012 01:45, M Singh a écrit :
Hi:
Hi,
[please note I have added a marker in the subject line. This list is
shared among several projects and such markers are mandatory to help
people filtering messages]
I wanted to save the derivative class to a file, but when I save it and try
Le 09/12/2011 08:51, Juan Barandiaran a écrit :
Hi,
Hi Juan,
In Complex.java the tanh is computed with the following formula:
tanh(a + bi) = sinh(2a)/(cosh(2a)+cos(2b)) + [sin(2b)/(cosh(2a)+cos(2b))]i
The problem that I'm finding is that as soon as a is a big number,
both sinh(2a) and
Le 28/11/2011 22:41, Maciej Rubikowski a écrit :
Hello,
Hi Maciej,
before I fill in the bug report, I want to ask if anyone had similar
issue before. Maybe I simply misunderstood the whole idea behind
EigenDecomposition, but I think what I've come up with is in fact a
serious limitation.
Le 24/11/2011 15:56, Gilles Sadowski a écrit :
Hello.
The large project in which I'm involved requires that all developers use the
same version of a library, and preferrably an official release.
My code makes use of the development version of Commons Math[1] and I've
been working around the
Hello,
One of the researcher I am working with (and who will soon start using
Apache Commons Math and Orekit) is looking for a short article (no more
than 10 pages) that discusses the evolution of scientific data
communication technology and rates from 1960 to present.
Does one of our
Le 26/10/2011 16:40, Phil Steitz a écrit :
On 10/26/11 7:20 AM, Luc Maisonobe wrote:
Hello,
One of the researcher I am working with (and who will soon start using
Apache Commons Math and Orekit) is looking for a short article (no more
than 10 pages) that discusses the evolution of scientific
Le 23/10/2011 09:47, Andy Turner a écrit :
Hi,
Hello All,
You could also give a try to other random generators provided by Apache
Commons Math. Did you try the Well generators like Well1024a for example
? These generators are tailored towards large simulation like
Monte-Carlo ones.
Luc
Le 07/09/2011 00:02, Curtis Jensen a écrit :
Below is a simpler example. Here, set2 is a polygon completely
encompassed by the set1 polygon. Yet the difference function produces
a single polygon that doesn't seem to be a difference in any sense
that I can understand. How are the verticies of
Le 07/09/2011 00:02, Curtis Jensen a écrit :
Below is a simpler example. Here, set2 is a polygon completely
encompassed by the set1 polygon. Yet the difference function produces
a single polygon that doesn't seem to be a difference in any sense
that I can understand. How are the verticies of
Le 26/08/2011 20:41, Curtis Jensen a écrit :
Using math 3.0, I have two polygons with many points. One is
completely contained within the other. When I do a difference on the
two, I expected to get a polygon with a hole in it. However, I get 86
polygons, that roughly make up a polygon with a
Hi Ashwin,
Le 12/08/2011 05:24, Ashwin Jayaprakash a écrit :
Are there any plans to add Holt-Winters to Commons Math? There is a simple
implementation here -
http://n-chandra.blogspot.com/2011/04/holt-winters-triple-exponential.html
There is no plans for this yet.
If you need it, you can open
Le 02/08/2011 19:39, Curtis Jensen a écrit :
That would work. I guess, the 2D Line distance questions was a request.
Also, I'm more interested in the line segment part of the question.
For now there is no such method.
Please open a Jira issue for this request, I'll implement them (I also
Le 27/07/2011 20:56, Miguel Ruiz a écrit :
Hello,
I was looking for a while but I couldn´t find the source code that is
published in the API DOCShttp://commons.apache.org/math/apidocs/index.html .
Could anybody send me this library version?
The snapshots version are not officially published.
Hi Curtis,
Le 05/07/2011 22:23, luc.maison...@free.fr a écrit :
- Curtis Jensencur...@the-jensens.org a écrit :
On Mon, Jul 4, 2011 at 2:00 PM, Curtis Jensen
cur...@the-jensens.orgwrote:
I'm using the RegonFactory.intersection method to get the
intersection of
polygons. However,
- Curtis Jensen cur...@the-jensens.org a écrit :
On Mon, Jul 4, 2011 at 2:00 PM, Curtis Jensen
cur...@the-jensens.orgwrote:
I'm using the RegonFactory.intersection method to get the
intersection of
polygons. However, I'm getting points that are outside of one of
the
original
Hi Jeesh,
Le 04/07/2011 19:47, jeesh a écrit :
Thanks! I've got it to work! One more quick question - how would I take the
function parameters that the algorithm just spat out and then find the
global max z value (and associated x,y coordinate) of the function?
If I understand your needs,
Le 03/07/2011 14:47, jeesh a écrit :
Hi everyone,
Hi Jeesh,
I'm somewhat new to java, but I'm looking to build a least squares
optimization routine for a 2D Gaussian Fit based on this link (about half
way down) http://commons.apache.org/math/userguide/optimization.html.
Just a general
- Michele Mazzucco michelemazzu...@gmail.com a écrit :
Hi Michele,
Antonio,
thanks for the quick answer.
Do you know any library/framework which could help me with that?
Perhaps Choco http://www.emn.fr/z-info/choco-solver/ ?
best regards,
Luc
Cheers,
Michele
On Jun 21,
Le 16/06/2011 21:43, Curtis Jensen a écrit :
On Wed, Jun 15, 2011 at 12:01 PM, Luc Maisonobeluc.maison...@free.fr wrote:
Le 15/06/2011 19:57, Curtis Jensen a écrit :
The Vector2D and Vector3D classes have dotProduct and crossProduct
methods. I assume this is done be considering each vector
Le 15/06/2011 09:12, Dennis Hendriks a écrit :
Hi all,
Hi Dennis,
Since I'd like to use trunk (version 3.0, in development) of Apache
Commons Math, I was wondering if there is a way to download an already
built version of it. I found the build server at
Le 15/06/2011 19:57, Curtis Jensen a écrit :
The Vector2D and Vector3D classes have dotProduct and crossProduct
methods. I assume this is done be considering each vector originating
There is no crossProduct in Vector2D in the current version I think.
from the origin. How can the dot
Hi Curtis,
Le 14/06/2011 19:38, Curtis Jensen a écrit :
In the commons math 3.0 Geometry package, How can get the intersection
of two SubLines? I see that the Line class has an intersection
method, but not the SubLine class. I can create Lines from SubLines
and call the intersection method,
Le 10/06/2011 10:20, Dennis Hendriks a écrit :
Hi Luc,
Hi Dennis,
Thanks for your quick reply. It would be a possible solution.
I decided to familiarize myself with the internals of the code that is
used, in order to better understand what code is responsible for the
root finding. I found
an existing top level public
interface to add the set method, so it can be done only when a major
release is published. So it is right the perfect time to do it!
best regards,
Luc
Best regards,
Dennis
Luc Maisonobe wrote:
Le 10/06/2011 10:20, Dennis Hendriks a écrit :
Hi Luc,
Hi Dennis
- Dennis Hendriks d.hendr...@tue.nl a écrit :
Hi all,
Hi Dennis,
I have the following (simplified) ODE problem:
V(0) = 10.00645817822
V' = -sqrt(V)
and the following state event:
V = 2.0
Using:
t = 6.6845103160078425
Le 17/05/2011 20:40, Arne Plöse a écrit :
Is there a Eigenvalue decomposition like octave eig(m) that takes also
matices that are not symmetric? Or any mathematical tip how to do this?
No, we do not have an implementation for non-symmetric matrices.
There is an open issue for that
Le 15/04/2011 11:12, Piotr Kolanowski a écrit :
Hi all,
I'm looking for examples for MultivariateRealOptimizer. I've been
reading the available
documentation but unfortunately I still have no clue how to use it.
I would like to maximize following example objective function:
5x1 + 13x2
://commons.apache.org/math/project-info.html
Luc Maisonobe - On behalf of the Apache Commons community
-
To unsubscribe, e-mail: user-unsubscr...@commons.apache.org
For additional commands, e-mail: user-h...@commons.apache.org
Le 26/02/2011 06:59, Martinov, Nickolay a écrit :
Hello,
According to doc found on ASF infrastructure page (Users should report
issues and ask questions to the appropriate project first though the
appropriate mailing list.) I ask for help here.
I cannot login into Apache JIRA. It tells
Le 26/02/2011 10:34, Martinov, Nickolay a écrit :
Hello Luc,
Hi Nickolay,
Yes, I already have an account (posted issues previously) and tried Can't
access your account. But it only tells following
A reset password link has been sent to you via email.
You can follow that link and select
Le 04/02/2011 03:13, Ole Ersoy a écrit :
Hi,
Hi Ole,
I have a few questions regarding the implementation of the quadratic
problem in the
org.apache.commons.math.optimization.general.LevenbergMarquardtOptimizerTest.
I assume the quadratic is defined as:
f(x) = a*x^2 + b*x + c
This
Le 27/01/2011 19:33, Andy Turner a écrit :
I don't see a dflp package in 2.1. Can you give me a better pointer? I
want to compare...
It is in the subversion repository. You'll have to check it out.
I did, but have not found it!
Sorry, I wrote dflp but it is dfp. It is a top level package.
Hi Andy,
Le 21/01/2011 18:22, Andy Turner a écrit :
I can spend some time to change the code. I'll wait to here from
others if the functionality is wanted as part of Commons Math before
I do too much...
It may interesting to add this feature. I didn't look precisely but how
does it compare to
Le 31/12/2010 19:17, Vladimir Blagojevic a écrit :
Mikkel,
I looked at the example but I was not able to load my sample data and
find coefficients of a quadratic equation. Lets say that I have data
points for quadratic equation:
double data[][] = { { 0, 1 }, { 1, 6 }, { 2, 17 } }; which is
Le 13/12/2010 18:33, Uri David Akavia a écrit :
Hi.
I am the first author on a recently published project which uses your
math commons library, which we are very grateful for in our lab.
The project has been released at this website
Le 20/10/2010 10:04, VanIngen, Erik (FIPS) a écrit :
Good morning!
I need to to cluster analysis on values like this:
1.814263985 -0.633923297
2.501153739 -0.559033358
2.408755862 -0.509902975
1.935495243 -0.330554484
0.728818279 -0.169024633
-0.523861032
vectors and matrices.
Luc
Thanks,
Cuong
-Original Message-
From: Luc Maisonobe [mailto:luc.maison...@free.fr]
Sent: Saturday, October 16, 2010 2:00 PM
To: Commons Users List
Subject: Re: [math] Re: complex matrix operation
Le 16/10/2010 20:38, Cuong P. Nguyen a écrit :
Hi
Le 11/10/2010 22:38, Grzegorz Szpetkowski a écrit :
I have a question how can I (easily) parse String like that:
String sZ = 20i + 5.4;
On page http://commons.apache.org/math/userguide/complex.html I found example:
ComplexFormat cf = new ComplexFormat();
Complex c = cf.parse(1.110 +
Le 29/09/2010 12:13, VanIngen, Erik (FIPS) a écrit :
Hi Apache Commons Math users
I am looking for an easy way of standardizing my values a mean 0 and a
standard deviation of 1. What is the best way to do that?
I have tried this:
DescriptiveStatistics stats = new DescriptiveStatistics();
Le 29/09/2010 18:34, Bernard GODARD a écrit :
Hi all,
Hi Bernard,
With a group of a few people, I am taking part in the General
Trajectory Optimisation Competition (
http://www.esa.int/gsp/ACT/mad/op/GTOC/index.htm ) which starts next
week and lasts one month.
Good luck with GTOC. Do you
- Ted Dunning ted.dunn...@gmail.com a écrit :
Everything in Colt was untested and as a result there were bugs and
inconsistencies.
As part of the Mahout project, we have redefined the matrix primitives
to be
more amenable to our needs and simpler to extend than the original
Colt
Hi Michael,
First of all, please add a [math] marker in the subject line when
posting to this list concernin the commons-math component. The list is
shared among a large number of components and such markers help filtering.
Le 09/09/2010 04:00, Michael Stover a écrit :
I am not a mathematician,
of the GPL. I have no experience at all
with this project.
Luc
Mike
On Thu, Sep 9, 2010 at 5:36 AM, Luc Maisonobe luc.maison...@free.fr wrote:
Hi Michael,
First of all, please add a [math] marker in the subject line when
posting to this list concernin the commons-math component. The list
Le 13/08/2010 03:15, Juan Barandiaran a écrit :
Hi, I'm working in a theoretical physics problem in which I have to find the
roots of a function for every point in x,y,z.
I did not find time to look at this. I'll give it a try in a day or two.
Sorry for the delay
Luc
I can bracket quite
Le 07/06/2010 20:39, Srikanth Kannan a écrit :
Hi,
i am looking to implement the interp1, 1-D data interpolation (table
lookup), function available in MATLAB in J2ME or JAVA. Here is the link of
what interp1 does
http://www.mathworks.com/access/helpdesk/help/techdoc/ref/interp1.html
Is
Le 20/05/2010 23:00, Markus Petschnigg a écrit :
Hi!
We are building an application where we rotate and translate boxes with
different Wiimote metaphors in Processing.
We want to rotate an object around the global processing canvas z-axis,
not around the objects own z-axis. No matter which
Disc Magnet a écrit :
On Sat, Mar 20, 2010 at 4:19 AM, Luc Maisonobe luc.maison...@free.fr wrote:
Disc Magnet a écrit :
A few years back when I browsed the Apache Commons Math website, I found a
document describing how boundary cases, overflows, divide by zero, error
conditions, etc
Disc Magnet a écrit :
I was trying to run the first example given in this page:
http://commons.apache.org/math/userguide/stat.html My program is as
follows:
import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
public class DescStats
{
public static void
Disc Magnet a écrit :
Hi,
I am new to this list and I wanted to know a few things about Apache Commons
Math. Is it an active project? Do you know any other open source projects or
open source/commercial organizations who use Apache Commons Math?
Commons math is an active project. Here is a
Martin Gainty a écrit :
Bienvenue Luc!
can you provide examples of any advantages of using Apache Math project over
the provided java.Math library?
The standard Math class in the java language mainly provides simple
functions (trigonometric, logarithm, power, min, max ...).
Commons-math
Disc Magnet a écrit :
A few years back when I browsed the Apache Commons Math website, I found a
document describing how boundary cases, overflows, divide by zero, error
conditions, etc. are handled. They were some guidelines meant to be followed
by the developers of Commons Math. I am unable
kalpa rajadurai a écrit :
Hi Team,
We are delighted to see that bug (MATH-301) is now in Resolved status. We
thank your team for good efforts in resolving the bug.
We would like to know, the expected release date of version 2.1.
We are working on it. It should be really soon now, perhaps
Kedar Palsule a écrit :
Hi Team,
I cant figure out how to download the development version 2.1 of Apache Math
Commons. Alternatively, it would be good if I could figure out how to
download the nightly build.
The problem is that the official release, version 2.0, has a bug in a part
of the
Hi Roger,
First of all, could you add the [math] marker in the subject line (like
I have done) when posting to this list about the commons-math component
? This list is shared among all Apache commons components and such
markers help people filtering messages.
roger.b...@creoss.com a écrit :
I
Peter A a écrit :
All,
I posted the new stability and runtime performance benchmarks at:
http://code.google.com/p/java-matrix-benchmark
This includes the 2.1a SVN code from last Friday. I don't really see much
of a change since 2.0.
From a pure performance point, there should not be
to scratch.
Luc
- Peter
On Tue, Feb 2, 2010 at 2:44 PM, Luc Maisonobe luc.maison...@free.fr wrote:
Peter A a écrit :
All,
I posted the new stability and runtime performance benchmarks at:
http://code.google.com/p/java-matrix-benchmark
This includes the 2.1a SVN code from last Friday. I
Peter A a écrit :
Hello,
I'm working on a benchmark tool for linear algebra libraries in Java that
measures runtime performance and stability. I have run the 2.0 library
thought it and posted the results online at:
http://code.google.com/p/java-matrix-benchmark/
I think that the
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