[ADMB Users] Cubic splines

[Richard.Methot at noaa.gov]

I think the interest was in having a definitive reference regarding 
how it is implemented in ADMB.  It is working fine for me but, for 
example, I have no idea what the units are for the required input 
slopes at the terminal nodes. 

----- Original Message -----
From: Derek Seiple <dseiple84 at gmail.com>
Date: Monday, May 23, 2011 8:48 am
Subject: Re: [ADMB Users] Cubic splines

> All the documentation sources listed are the only ones I know of. Is
> there an example where the cubic spline isn't working as expected? Or
> is it more of trying to get it to work the way you want?
> 
> If there is an example that isn't working I can try to look at it 
with
> in the next couple of days and see what I find.
> 
> Derek
> 
> On Mon, May 23, 2011 at 5:17 AM, Luis Ridao <luridao at gmail.com> 
wrote:
> >
> > I wish to add that splines in version 10.1 (at least in my case) 
> do not
> > work.
> > The same code used to run without problems on 10.0.
> > Best,
> > LRC
> > P.S: I have raised this issue previously on this list.
> >
> > On Mon, May 23, 2011 at 9:50 AM, Mark Payne <mpa at aqua.dtu.dk> 
wrote:
> >>
> >> Are Splines fulled implemented in both ADMB and ADMB-RE? I 
> struct some
> >> problems with them in ADMB-RE, but haven't had time to look 
> closer as
> >> yet....
> >>
> >>
> >> -----Original Message-----
> >> From: users-bounces at admb-project.org on behalf of Ian Taylor
> >> Sent: Fri 5/20/2011 9:00 PM
> >> To: 'Mark Maunder'; users at admb-project.org
> >> Cc: 'Alexandre Aires-Da-Silva'; '???'; 'Simon Hoyle'
> >> Subject: Re: [ADMB Users] Cubic splines
> >>
> >> Hi Mark,
> >>
> >> I found http://en.wikipedia.org/wiki/Spline_interpolation to be
> >> informative.
> >>
> >>
> >> Also, inspired by your email, I've discovered that there's very 
> useful>> information here:
> >>
> >> http://admb-project.org/documentation/api/group__cub__spline.html
> >>
> >> I just added that 2nd link to the FAQ item about splines, but 
> obviously>> that's no substitute for some proper documentation in 
> the user manual.
> >>
> >> -Ian
> >>
> >>
> >>
> >> From: Mark Maunder [mailto:mmaunder at iattc.org]
> >> Sent: Friday, May 20, 2011 11:40 AM
> >> To: users at admb-project.org
> >> Cc: 'Jim.Ianelli at noaa.gov'; Ian Taylor; '???'; 'Simon Hoyle'; 
> Alexandre>> Aires-Da-Silva
> >> Subject: Cubic splines
> >>
> >>
> >>
> >> Does anyone have documentation on how cubic splines are 
> implemented in
> >> ADMB?
> >> Or a simple description of how cubic splines are implemented in 
> general.>>
> >>
> >>
> >> There are some examples on how to use them in ADMB
> >>
> >>
> >>
> >> http://admb-project.org/community/tutorials-and-examples/splines
> >>
> >>
> >>
> >>
> >> http://admb-project.org/community/tutorials-and-
> examples/splines/splines.tpl>> /view?searchterm=spline
> >>
> >>
> >>
> >>
> >> http://groups.google.com/group/admb-
> users/browse_thread/thread/e6ba196af3478>> 
> dc0/1952dcc0dfbb6241?#1952dcc0dfbb6241>>
> >>
> >>
> >>
> >>
> >> Thanks,
> >>
> >>
> >>
> >> Mark
> >>
> >>
> >>
> >>
> >>
> >> Mark Maunder
> >>
> >>
> >>
> >>
> >> Head of the Stock Assessment Program
> >>
> >>
> >> Inter-American  Tropical Tuna Commission
> >>
> >>
> >> President
> >>
> >> ADMB Foundation
> >>
> >>
> >>
> >> 8604 La Jolla Shores Drive
> >> La Jolla, CA, 92037-1508, USA
> >>
> >> Tel: (858) 546-7027
> >> Fax: (858) 546-7133
> >> mmaunder at iattc.org
> >>
> >> http://www.fisheriesstockassessment.com/TikiWiki/tiki-
> index.php?page=Mark+Ma>> under
> >>
> >>
> >>
> >> Visit the AD Model Builder project at
> >>  <http://admb-project.org/> http://admb-project.org/
> >>
> >>
> >>
> >> See the following website for information on fisheries stock 
> assessment>>
> >> http://www.fisheriesstockassessment.com/
> >>
> >>
> >>
> >>
> >>
> >> From: users-bounces at admb-project.org
> >> [mailto:users-bounces at admb-project.org]
> >> On Behalf Of Campbell, Alex
> >> Sent: Thursday, May 19, 2011 6:15 PM
> >> To: users at admb-project.org
> >> Subject: Re: [ADMB Users] 10.1 ic > imax
> >>
> >>
> >>
> >> admb 10.0 and 9.1 on linux give me the same behaviour. so not a 
> version>> thing. one day "soon" i'll find time to debug..
> >>
> >>
> >>
> >> convergence critieria is not necessarily the issue because that 
> determines>> ultimate convergence, not the question of whether the 
> process has hung
> >>
> >>
> >>
> >> grepping "ic > imax" points me to fmmtr1.cpp and newfmin.cpp 
> but without
> >> debugging i'm not much wiser!
> >>
> >>
> >>
> >>  -alex
> >>
> >>  _____
> >>
> >> From: users-bounces at admb-project.org
> >> [mailto:users-bounces at admb-project.org]
> >> On Behalf Of Campbell, Alex
> >> Sent: Friday, 13 May 2011 4:33 PM
> >> To: users at admb-project.org
> >> Subject: [ADMB Users] 10.1 ic > imax
> >>
> >> Hi folks
> >>
> >> I've recently installed admb 10.1 on a 'real' system (SuSE Linux
> >> Enterprise
> >> Server 11 SP1, gcc 4.3) and I've noticed different behaviour vs 
> my 32-bit
> >> admb 10.0 windoze setup. Specifically the ic > imax is minimum 
> attained>> issue pops up on the 10.1 where it does not on the 
> 10.0. Both
> >> installations
> >> give me the same parameter estimates, but obviously a) 
> something is
> >> different, b) it appears to be worse in the newer version and 
> c) it would
> >> be
> >> nice to know why. The first thing that came to mind is that the 
> default>> value of the convergence criterion might have changed 
> between 10.0 and
> >> 10.1
> >> but I ran the new system with -crit 1e-4 and same behaviour.
> >>
> >> Any ideas?
> >>
> >>
> >>
> >>
> >>
> >> 
> 
********************************DISCLAIMER****************************>
> The information contained in the above e-mail message or messages
> >> (which includes any attachments) is confidential and may be 
legally
> >> privileged.  It is intended only for the use of the person or 
> entity>> to which it is addressed.  If you are not the addressee 
> any form of
> >> disclosure, copying, modification, distribution or any action 
taken
> >> or omitted in reliance on the information is unauthorised. 
>  Opinions>> contained in the message(s) do not necessarily reflect 
> the opinions
> >> of the Queensland Government and its authorities.  If you received
> >> this communication in error, please notify the sender immediately
> >> and delete it from your computer system network.
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> Users mailing list
> >> Users at admb-project.org
> >> http://lists.admb-project.org/mailman/listinfo/users
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at admb-project.org
> > http://lists.admb-project.org/mailman/listinfo/users
> >
> >
> _______________________________________________
> Users mailing list
> Users at admb-project.org
> http://lists.admb-project.org/mailman/listinfo/users
>