Re: [R] Rdonlp2 - an extension library for constrained optimization

2007-06-10 Thread Diethelm Wuertz
Ryuichi Tamura wrote:

Please can you put your package on the CRAN server ?

Many thanks
Diethelm Wuertz

 Hello R-list,

 I have released an update version (0.3-1) of Rdonlp2.
 Some (fatal) bugs which may kill interpreter should be fixed.

 In addition, user-visible changes are:
 * *.mes, *.pro files are not created if name=NULL(this is default) in 
 donlp2().
 * use machine-epsilons defined in R for internal
 calculations(step-size, etc.).
 * numeric hessian is now evaluated at the optimum and calculated with
   the algorithm specified in 'difftype' in donlp2.control(). Setting
 difftype=2 will
   produce (roughly) same value as optim() does.

 I sincerely appreciate users who sent me useful comments.

 Windows Binary, OSX Universal Binary, Source file are available at:

 http://arumat.net/Rdonlp2/

 Regards,

 TAMURA Ryuichi,
 mailto: [EMAIL PROTECTED]

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Re: [R] Rdonlp2 - an extension library for constrained optimization

2007-06-07 Thread Ryuichi Tamura
Hello R-list,

I have released an update version (0.3-1) of Rdonlp2.
Some (fatal) bugs which may kill interpreter should be fixed.

In addition, user-visible changes are:
* *.mes, *.pro files are not created if name=NULL(this is default) in donlp2().
* use machine-epsilons defined in R for internal
calculations(step-size, etc.).
* numeric hessian is now evaluated at the optimum and calculated with
  the algorithm specified in 'difftype' in donlp2.control(). Setting
difftype=2 will
  produce (roughly) same value as optim() does.

I sincerely appreciate users who sent me useful comments.

Windows Binary, OSX Universal Binary, Source file are available at:

http://arumat.net/Rdonlp2/

Regards,

TAMURA Ryuichi,
mailto: [EMAIL PROTECTED]

__
R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.


[R] Rdonlp2 - an extension library for constrained optimization

2007-02-12 Thread Ryuich Tamura
Hello R-lists,

I have created an extension library called Rdonlp2.
This is a wrapper for Peter Spellucci's DONLP2:
http://plato.la.asu.edu/donlp2.html

DONLP2 is a standalone C program that can solve
following minimization problem:

min f(x) subject to
* parameter bounds
* linear (equality) constraints
* nonlinear (equality) constraints

Rdonlp2 is a bridge over R and DONLP2, that is,
you can execute the constrained optimization with
R function and objects and get detailed outputs from DONLP2 as
R objects.

Some tutorial, source code, Windows binary, OSX binary are available from:
http://arumat.net/Rdonlp2/
The package contains the tutorial as PDF, and 4 demo scripts.

Any comments or suggestions are welcome.

Regards,

Ryuichi Tamura

__
R-help@stat.math.ethz.ch mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.


[R] Rdonlp2 - an extension library for constrained optimization

2007-02-11 Thread ry . tamura
Hello R-lists,

I have created an extension library called Rdonlp2.
This is a wrapper for Peter Spellucci's DONLP2:
http://plato.la.asu.edu/donlp2.html

DONLP2 is a standalone C program that can solve
following minimization problem:

min f(x) subject to
* parameter bounds
* linear (equality) constraints 
* nonlinear (equality) constraints 

Rdonlp2 is a bridge between R and DONLP2, that is,
you can execute the constrained optimization with 
R function and objects and get detailed outputs from DONLP2 as
R objects.

Some tutorial, source code, Windows binary, OSX binary are available from:
http://arumat.net/Rdonlp2/
The package contains the tutorial as PDF, and 4 demo scripts.

Any comments or suggestions are welcome.

Regards,

Ryuichi Tamura


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and provide commented, minimal, self-contained, reproducible code.