May I ask if there are there some Windows users who read this post and who successfully installed sci_ipopt or fmincon ?
S. > Le 5 juin 2021 à 15:21, Éric Dubois <grocer.tool...@gmail.com> a écrit : > > > Thanks Stéphane for your quick answer > > I have tried installing fmincon first, then scicolpack (it works), then > sci_ipopt and it does not work: only file > sci_ipopt_1.3.bin.x64.Windows.zipis downloaded. So it seems: > - first that dependencies are not deal with for the fmincon distribution that > Atoms uses; > - second, that there is some problem using Atoms for loading sci_ipopt > > Maybe I should not use Atoms, but when it works it is the most convenient way > to download a module. > > Éric > > Garanti sans virus. www.avast.com > >> Le sam. 5 juin 2021 à 14:06, Stéphane Mottelet <stephane.motte...@utc.fr> a >> écrit : >> Hi Eric, >> >> Could you be more precise ? I have I installed fmincon on at least 10 >> different machines for testing purposes (mostly under Windows 10) and did >> not encounter any problem. Atoms is, I must say, a very unstable (not to say >> crappy) piece of software and in particular very hard to use smoothly when >> your are developing some modules and play e.g. with offline mode. >> >> What I would do first is to uninstall every module then install fmincon. If >> problem is still here please help me by debugging a bit... >> >> S. >> >>>> Le 5 juin 2021 à 11:29, Éric Dubois <grocer.tool...@gmail.com> a écrit : >>>> >>> >>> Hello Stéphane >>> >>> This seems very interesting, but download through Atoms does not work (at >>> least for me: I use Scilab 6.1.0 under Windows 10): dependencies >>> (Sci-colpac, Sci-IPOt, for those I have noticed) are not dealt with. >>> Moreover, trying to install Sci-IPOt with Atoms fails. By the way it makes >>> also make fail lthe oading of any module that could have been installed >>> with Atoms, which reveals an undesirable feature of Atoms: failure to load >>> a module should not prevent the loading of other ones. >>> >>> Best regards, >>> >>> Éric >>> >>> Garanti sans virus. www.avast.com >>> >>>> Le mar. 1 juin 2021 à 12:21, Stéphane Mottelet <stephane.motte...@utc.fr> >>>> a écrit : >>>> Hi, >>>> >>>> Le 01/06/2021 à 09:53, CHEZE David 227480 a écrit : >>>> > Dear Stephane, >>>> > >>>> > Thank you for offering these enhanced capabilities in Scilab, fmincon >>>> > and SciIPOpt. I'm about giving a try in comparison with leastsq(), on >>>> > dynamic model parameter (~5-10) calibration purpose, based on >>>> > measurement deviation, as time series (250 to >1000 samples). In general >>>> > for fmincon and SciIPOpt, may I provide the objective function with >>>> > inputs argument through the list() syntax like >>>> > objf=list(myofunction,x,in1,in2,..) ? >>>> >>>> Yes, you have such an example in the fitting demo ; >>>> >>>> https://gitlab.com/esi-group/scilab/forge/fmincont/-/blob/master/demos/fmincon_fit.sce >>>> >>>> S. >>>> >>>> > >>>> > Thank you for your advice, >>>> > >>>> > David >>>> > >>>> > >>>> > -----Message d'origine----- >>>> > De : users <users-boun...@lists.scilab.org> De la part de Stéphane >>>> > Mottelet >>>> > Envoyé : lundi 19 avril 2021 10:43 >>>> > À : Users mailing list for Scilab <users@lists.scilab.org> >>>> > Objet : [Scilab-users] fmincon toolbox update >>>> > >>>> > Hi all, >>>> > >>>> > I would like to inform you that the fmincon toolbox has been updated >>>> > (https://antispam.utc.fr/proxy/v3?i=cWdzUmRSM0ZiRHpoUDkxTSw3-90dQgKDkqmWWemZ6js&r=WXNQOUY5VXRSNUlTdlVTTgAgPzRHrDev93-c71JTxG3gYERdftx8enpEGCicW5Zy&f=R0pWUVNEaUFuMTBCTlptbqaYxU0NWnHz-Aov_fSSM1D4vfIz2L0jb50-moW0RphD&u=https%3A//atoms.scilab.org/toolboxes/fmincon/1.0.2&k=8YLU) >>>> > and now includes a major feature: the Efficient Computation of Sparse >>>> > Hessian using Coloring algorithm (scicolpack is now a dependency of >>>> > fmincon). This feature was missing and now allows fmincon to consider >>>> > really big problems. A example of such is given in the "minimal surface >>>> > demo" which compares 3 different approaches of the problem: one with >>>> > finite differences gradient, and BFGS Hessian, one with exact gradient >>>> > and BFGS Hessian, and the last with exact gradient and finite >>>> > differences sparse Hessian. The time factor between the first and the >>>> > third approchach is around 200 for a 21x21 square but you can edit the >>>> > demo file and increase this value. For a 51x51 square the third approach >>>> > takes only >>>> > 0.45 seconds and is 2500 times faster. For a 101x101 square the first >>>> > approach takes forever and the third ones takes less than 2 seconds and >>>> > is still 10 times faster than the second one. >>>> > >>>> > If some of you still use other softwares for large scale optimization, >>>> > maybe you can now give Scilab a try. If you need a better control on >>>> > parameters and/or if you are not a former/actual user of Matlab's >>>> > fmincon, I recommend using directly ipopt (from sci_ipopt toolbox). But >>>> > the fmincon api is quite easy to use. Don't hesitate to took at the code >>>> > of the several new demos. >>>> > >>>> > Don't hesitate to contact me if you have some problems using fmincon of >>>> > just to say that you are using it with success ! >>>> > >>>> > Regards, >>>> > >>>> > -- >>>> > Stéphane Mottelet >>>> > Ingénieur de recherche >>>> > EA 4297 Transformations Intégrées de la Matière Renouvelable Département >>>> > Génie des Procédés Industriels Sorbonne Universités - Université de >>>> > Technologie de Compiègne CS 60319, 60203 Compiègne cedex Tel : >>>> > +33(0)344234688 >>>> > https://antispam.utc.fr/proxy/v3?i=cWdzUmRSM0ZiRHpoUDkxTSw3-90dQgKDkqmWWemZ6js&r=WXNQOUY5VXRSNUlTdlVTTgAgPzRHrDev93-c71JTxG3gYERdftx8enpEGCicW5Zy&f=R0pWUVNEaUFuMTBCTlptbqaYxU0NWnHz-Aov_fSSM1D4vfIz2L0jb50-moW0RphD&u=http%3A//www.utc.fr/~mottelet&k=8YLU >>>> > >>>> > _______________________________________________ >>>> > users mailing list >>>> > users@lists.scilab.org >>>> > https://antispam.utc.fr/proxy/v3?i=cWdzUmRSM0ZiRHpoUDkxTSw3-90dQgKDkqmWWemZ6js&r=WXNQOUY5VXRSNUlTdlVTTgAgPzRHrDev93-c71JTxG3gYERdftx8enpEGCicW5Zy&f=R0pWUVNEaUFuMTBCTlptbqaYxU0NWnHz-Aov_fSSM1D4vfIz2L0jb50-moW0RphD&u=http%3A//lists.scilab.org/mailman/listinfo/users&k=8YLU >>>> > _______________________________________________ >>>> > users mailing list >>>> > users@lists.scilab.org >>>> > https://antispam.utc.fr/proxy/v3?i=cWdzUmRSM0ZiRHpoUDkxTSw3-90dQgKDkqmWWemZ6js&r=WXNQOUY5VXRSNUlTdlVTTgAgPzRHrDev93-c71JTxG3gYERdftx8enpEGCicW5Zy&f=R0pWUVNEaUFuMTBCTlptbqaYxU0NWnHz-Aov_fSSM1D4vfIz2L0jb50-moW0RphD&u=http%3A//lists.scilab.org/mailman/listinfo/users&k=8YLU >>>> >>>> -- >>>> Stéphane Mottelet >>>> Ingénieur de recherche >>>> EA 4297 Transformations Intégrées de la Matière Renouvelable >>>> Département Génie des Procédés Industriels >>>> Sorbonne Universités - Université de Technologie de Compiègne >>>> CS 60319, 60203 Compiègne cedex >>>> Tel : +33(0)344234688 >>>> http://www.utc.fr/~mottelet >>>> >>>> _______________________________________________ >>>> users mailing list >>>> users@lists.scilab.org >>>> http://lists.scilab.org/mailman/listinfo/users >>> _______________________________________________ >>> users mailing list >>> users@lists.scilab.org >>> http://lists.scilab.org/mailman/listinfo/users >> _______________________________________________ >> users mailing list >> users@lists.scilab.org >> http://lists.scilab.org/mailman/listinfo/users > _______________________________________________ > users mailing list > users@lists.scilab.org > http://lists.scilab.org/mailman/listinfo/users
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