A neutral network based identification for complex non-linear systemsVaarmann, OtuProceedings of the 3rd International Conference on Applied Operational Research, 24-26 August 2011, Istanbul, Turkey2011 / p. 39-46 A theorem for methods with high-order convergenceVaarmann, OtuEesti Teaduste Akadeemia Toimetised. Füüsika. Matemaatika1991 / 2, lk. 99-104 Aastaraamat 1999 / Eesti Matemaatika Selts2001 http://www.ester.ee/record=b1226018*est Approximate Gauss-Newton methods for the nonlinear least squares problemVaarmann, OtuThe Third World Congress of Nonlinear Analysts : July 19-26, 2000, Catania, Italy2000 / [1] p Approximate methods for ill-posed optimization problemsVaarmann, OtuORBEL 14 : Fourteenth Conference on Quantitative Methods for Decision Making : January 20-21, 2000 : book of abstracts2000 / p. 11-12 Approximate methods for two-point boundary value-problemVaarmann, OtuTheory and practice of differential equations2000 / p. 31-38 Approximate methods for unstable nonlinear optimization problems [Electronic resource]Vaarmann, OtuInternationales Kolloquium über Anwendungen der Informatik und der Mathematik in Architektur und Bauwesen : Promise and reality : gemeinsam mit eCAADe 2000 : 22. bis 24. Juni 2000, Weimar2000 / [6] p. [CD-ROM] Approximate solution of ill-posed optimization problemsVaarmann, OtuMathematical Modelling and Analysis : abstracts of the 10th International Conference MMA2005AMPCMAM2 : Trakai2005 / p. 145 ArvutusmeetodidVaarmann, Otu2005 http://www.ester.ee/record=b2067873*est A class of rapidly convergent iterative methods for problems in mathematical modellingVaarmann, OtuInternationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen, Bauhaus-Universität Weimar, 26.2-1.3.19971997 / [7] p A convergence theorem for approximate methods of tangent hyperbolasKaldo, Indrek; Vaarmann, OtuProceedings of the Estonian Academy of Sciences. Physics. Mathematics2004 / p. 165-176 https://kirj.ee/wp-content/plugins/kirj/pub/phys-3-2004-165-176_20211016224659.pdf Damped Gauss-Newton type methods for ill-posed optimization problemsParts, Inga; Vaarmann, Otu5th International Conference on Optimal Research "Simulation and Optimization in Business and Industry" : May 17-20, 2006, Tallinn, Estonia : programme and abstracts2006 / p. 9 Damped Gauss-Newton type methods for ill-posed optimization problemsParts, Inga; Vaarmann, OtuInternational Conference on Operational Research : Simulation and Optimisation in Business and Industry : May 17-20, 2006, Tallinn, Estonia2006 / p. 119-123 Dekompositsiooni-koordinatsiooni meetoditest multikriteriaalses optimeerimisesVaarmann, OtuAastaraamat 2009 / Eesti Matemaatika Selts2010 / lk. 76-87 Diferentsiaalvõrrandid : juhend TTÜ kaugõppe-üliõpilastele2003 http://www.ester.ee/record=b1827929*est Eesti teaduse biograafiline leksikonIngermann, Karl; Kilk, Aleksander; Kirs, Jüri; Mespak, Vello; Mägi, Vahur; Müürsepp, Peeter; Nestor, Heldur; Pappel, Toivo; Soonurm, Enno; Tiikma, Toomas; Toomaspoeg, Juhan; Vaarmann, Otu; Veiderma, Mihkel2005 https://www.ester.ee/record=b2058212*est Eetikast tuleviku juhtimiselVaarmann, Otu"Ühiskonna juhtimise arengu probleemid : XXI sajandi väljakutsed ja riskid" EABA teaduslik-praktilise konverentsi materjalid = "Проблемы развития общества : вызовы и риски XXI века" материалы научно-практической конференции ЕАВА2007 / lk. 144-150 EstORS - Estonian Operational Research SocietyVaarmann, Otu; Miidla, PeepIFORS news2011 / p. 13-14 : ill High order iterative methods for decomposition-coordination problemsVaarmann, OtuTechnological and economic development of economy2005 / 4, p. 6 High order iterative methods for decomposition-coordination problemsVaarmann, OtuTechnological and economic development of economy2006 / 1, p. 56-61 High order iterative methods for decomposition-coordination problemsVaarmann, OtuWorkshop of the European Working Group on Metaheuristics "Metaheuristics and Large Scale Optimization"2005 / p. 15 https://www.tandfonline.com/doi/abs/10.1080/13928619.2006.9637723 High order iterative methods for problems in mathematical modellingVaarmann, OtuThe Third International Conference : Tools for Mathematical Modelling : June 18-23, Saint-Petersburg : book of abstracts2001 / p. 58 High order iterative methods for problems in mathematical modellingVaarmann, OtuTools for mathematical modelling2001 / p. 161-168 Insener ja matemaatikaVaarmann, OtuInsenerikultuur Eestis. 31997 / lk. 218-223 https://www.ester.ee/record=b1063622*est International Conference on Operational Research : Simulation and Optimisation in Business and Industry : May 17-20, 2006, Tallinn, EstoniaPranevicius, Henrikas; Vaarmann, Otu; Zavadskas, Edmundas2006 https://www.ester.ee/record=b2149411*est Matemaatika ja pehmed erialadVaarmann, OtuÕpetajate Leht2008 / lk. 6-7 : ill https://artiklid.elnet.ee/record=b2384054*est Matemaatika ja tsivilisatsioonVaarmann, OtuTallinna Tehnikaülikooli aastaraamat 20002001 / lk. 29-39 Matemaatika osast inseneriharidusesVaarmann, OtuAastaraamat 1997 / Eesti Matemaatika Selts1999 / lk. 138-144 Matemaatika osast ühiskonnasVaarmann, OtuAkadeemia1991 / 7, lk. 1374-1392 Matemaatika pidev- ja täiendõppestVaarmann, OtuArvutustehnika ja Andmetöötlus1991 / 8, lk. 29-31 Matemaatiline modelleerimine toeks otsustajaleVaarmann, OtuTallinna Tehnikaülikooli aastaraamat 20082009 / lk. 63-69 Matemaatilise mõtteviisi osast ühiskonnasVaarmann, OtuAastaraamat 2007 / Eesti Matemaatika Selts2012 / lk. 83-88 Matemaatilise mõtteviisi osast ühiskonnasVaarmann, Otu"Ühiskonna arengu majandus- ja sotsiaalprobleemid "globaalse küla" tingimustes" : EABA teaduslik-praktilise konverentsi materjalid2008 / lk. 392-396 Meenutusi : Sulev Ulm : 26.07.1930-12.12.1978Vaarmann, OtuAastaraamat 1999 / Eesti Matemaatika Selts2001 / lk. 124-127 Methods for nonlinear ill-posed problemsVaarmann, OtuGAMM-Workshop : Iterative Processes for Solving Equations, Kiel, July 3-5, 19981998 / p. 27 Milleks meile operatsioonianalüüs?Vaarmann, OtuMente et Manu2006 / 15. veebr., lk. 4 https://www.ester.ee/record=b1242496*est Mõtisklusi matemaatikast ja tsivilisatsioonistVaarmann, OtuAastaraamat 1999 / Eesti Matemaatika Selts2001 / lk. 27-40 Mõtteid operatsioonianalüüsist ja küberneetikastVaarmann, OtuAastaraamat 2012 / Eesti Matemaatika Selts2014 / lk. 65-71 Mõtteid Ülo Lumiste intervjuust Õpetajate Lehele (19. märts 1999)Vaarmann, OtuAastaraamat 1999 / Eesti Matemaatika Selts2001 / lk. 62-63 : portr On a hierarchical approach to the generation of pareto points for complex systemsLeibak, Alar; Šeletski, Anna; Vaarmann, OtuMCDA-75 : 75th Meeting of the European Working Group on Multiple Criteria Decision Aiding : Tarragona, Catalonia, Spain, April 12th-14th, 2012 : book of abstracts2012 / p. 43 On a multi-level approach to the generation of Pareto points for complex systemsLeibak, Alar; Šeletski, Anna; Vaarmann, OtuПараллельные Вычисления и Задачи Управления - PACO’2012 : труды шестой Международной Конференции, Москва, 24-26 октября 2012 г.; Том 22012 / p. 11-20 On approximate Gauss-Newton methods for nonlinear least squares problemKaldo, Indrek; Vaarmann, Otu50th Meeting of the European Working Group "Multiple Criteria Decision Aid" : Brest, France, 20042004 / p. 34 On approximate Gauss-Newton methods for nonlinear least squares problemKaldo, Indrek; Vaarmann, OtuAdvances in multicriteria decision aid2005 / p. 41-47 On approximate methods of tangent hyperbolasKaldo, Indrek; Vaarmann, Otu7th International Conference : Mathematical Modelling and Analysis, May 31 - June 2, 2002, Kääriku, Estonia : abstracts2002 / p. 25 On approximate methods of tangent hyperbolasKaldo, Indrek; Vaarmann, OtuMathematical modelling and analysis2002 / 2, p. 253-262 On convergence of some iterative methods for nonlinear equationsVaarmann, OtuMatemaatika teoreetilisi ja rakenduslikke küsimusi : teesid, 13.-14. oktoober 1995 = Problems of pure and applied mathematics : abstracts1995 / [1] lk On decomposition-coordination methods for complex multi-objective optimization problemsLeibak, Alar; Šeletski, Anna; Vaarmann, Otu17th International conference on "Mathematical Modelling and Analysis" : June 6-9, 2012, Tallinn, Estonia : abstracts2012 / p. 133 On decomposition-coordination methods for multi-objective optimizationLeibak, Alar; Vaarmann, OtuM.C.D.A.'71' Meeting of the Euro. Working Group 'Multiple Criteria Decision Aiding' : Turin, 25-27.III.20102010 / [12] p On high order iterative methods for nonlinear problemsVaarmann, Otu1996 https://www.ester.ee/record=b1071369*est On high order iterative methods for non-linear problemsVaarmann, OtuNonlinear mathematical analysis and applications1998 / p. 275-299 On iterative methods for nonlinear least squares problemsVaarmann, OtuInternational Conference on Operations Research, Berlin, August 30-September 2, 1994 : program and abstracts1994 / p. 69 On methods for unstable optimization problemsVaarmann, OtuSymposium of the Operations Research - SOR'97 : Friedrich-Schiller-Universität, Jena, 3.-5. Sept. 1997 : proceedings1997 / [6] p On methods for weighted nonlinear least squares problemsVaarmann, Otu57th Meeting of the European Working Group : Multiple Criteria Decision Aiding : MCDA and Economic Evaluation of Environmental Goods : Viterbo, 27-29.03.20032003 / [9] p On solving ill-conditioned systems of nonlinear equationsVaarmann, OtuEesti Teaduste Akadeemia Toimetised. Füüsika. Matemaatika1994 / 2, lk. 49-63 On solving large nonlinear optimization problemsVaarmann, OtuThe 3rd European IEEE Workshop on Computer-Intensive Methods in Control and Data Processing : Can We Beat the Curse of Dimensionality?, September 7-9, 1998, Prague, Czech Republic1998 / p. 217-220 On solving nonlinear least squares problemsVaarmann, Otu53rd Meeting of the European Working Group : Multicriteria Aid for Decisions : Athens, March 29-30 : abstracts2001 / p. 30 On solving nonlinear least squares problemsVaarmann, OtuProceedings of the 53rd Meeting of the European Working Group : Multicriteria Aid for Decisions : Athens, March 29-302001 / [7] p On the solution of nonlinear least squares problemsVaarmann, OtuProceedings of 14th International Conference on Multivariate Statistical Analysis : MSA'95, Warsaw, Dec. 7-8, 19951995 / p. 57-69 On the solution of nonlinear optimization problems of high dimensionVaarmann, OtuIKM : Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 10.-12. Juni 2003, Bauhaus-Universität Weimar2003 / p. 73 On the solution of nonlinear optimization problems of high dimension [Electronic resource]Vaarmann, OtuIKM 2003 : proceedings 16th International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : digital proceedings2003 / [6] p Operational research methodology in multicriteria decision makingVaarmann, OtuGlobaalnekriis : depressioonist innovatsioonini2010 / p. 178-183 Operatsioonianalüüsi abil kaalutletud otsuseniVaarmann, OtuMajandus ja kultuuri ökoloogia kaasaegses linnas = Экономика и экология культуры в современном городе2011 / lk. 332-339 Operatsioonianalüüsist ja küberneetikastVaarmann, OtuAkadeemia2015 / lk. 1983-1996 Operatsioonianalüüsist ja tema osast haridusesVaarmann, OtuAastaraamat 2005 / Eesti Matemaatika Selts2006 / lk. 76-83 Operatsioonianalüüsist ja tema osast haridusesVaarmann, OtuÜhiskonna arengu ja juhtimise probleemid ja perspektiivid : 21. sajandi väljakutsed : EABC teaduslik-praktilise konverentsi materjalid2006 / lk. 305-312 Optimal decomposition of large-scale systemsRiismaa, Tiit; Vaarmann, OtuThe International Workshop on Harbour, Maritime and Multimodal Logistics, Modelling & Simulation : HMS 2003 : September 18-20, 2003, Riga, Latvia2003 / p. 385-394 Optimizing the structure of multi-level processing system as a multi-objective optimization problemRiismaa, Tiit; Vaarmann, OtuProceedings of the 67th meeting of the European Working Group "Multiple Criteria Decision Aiding"2008 / p. 79-93 Otu Vaarmann 80 : [kolleegide küsimustele vastab Otu Vaarmann]Vaarmann, OtuAastaraamat 2017 / Eesti Matemaatika Selts2018 / lk. 117-130 : portr https://www.ester.ee/record=b1226018*est PrefaceListra, Enn; Pranevicius, Henrikas; Sakalauskas, Leonidas; Vaarmann, Otu; Zavadskas, Edmundas5th International Conference on Optimal Research "Simulation and Optimization in Business and Industry" : May 17-20, 2006, Tallinn, Estonia : programme and abstracts2006 / p. I Rapidly convergent methods for nonlinear Fredholm integral equationsKaldo, Indrek; Vaarmann, OtuMMA 2004 : 9th International Conference "Mathematical Modelling and Analysis" : abstracts2004 / p. 30 Search for the Pareto point with max-min approachTauts, Ants; Krumm, Lembit; Vaarmann, Otu61st Meeting of the European Working "Multiple Criteria Decision Aiding" : March 10-11, Luxembourg2005 / p. 14 SOBI 2006 : [Balti Operatsioonianalüüsi Seltsi rahvusvahelisest konverentsist, korraldajad TTÜst]Vaarmann, OtuAastaraamat 2006 / Eesti Matemaatika Selts2007 / lk. 131-133 Solution of nonlinear least squares problems by approximate Gauss-Newton methodsVaarmann, OtuInternational Conference : Modelling and Simulation of Business Systems : May 13-14, 2003, Vilnius, Lithuania2003 / p. 43-46 Some approximate Gauss–Newton-type methods for nonlinear ill-posed problemsKangro, Inga; Kangro, Raul; Vaarmann, OtuProceedings of the Estonian Academy of Sciences2013 / p. 227-237 Some approximate methods for solving nonlinear ill-posed problemsVaarmann, OtuProceedings of the Estonian Academy of Sciences. Physics. Mathematics1999 / 2, p. 146-151 Some approximate methods for two-point boundary value problemVaarmann, OtuProceedings of the Third International Conference Differential equations and applications : Saint Petersburg, June 12-17, 20002000 / p. 96 Some decomposition - coordination methods for multi-objective optimizationLeibak, Alar; Vaarmann, Otu23rd European Conference on Operational Research : July 5-8, 2009, Bonn, Universität Siegen : book of abstracts2009 / p. 263 Some iterative methods for decomposition-coordination problemsVaarmann, Otu56th Meeting of the European Working Group "Multiple Criteria Decision Aiding", Coimbra, October 3-5, 2002 : [abstracts]2002 / p. 44 Some iterative methods for decomposition-coordination problemsVaarmann, Otu56th Meeting of the European Working Group "Multiple Criteria Decision Aiding", "MCDA and Welfare Economics", Coimbra, October 3-5, 20022002 / [6] p Some iterative regularized methods for highly nonlinear least squares problemsKangro, Inga; Vaarmann, OtuMathematical modelling and analysis2009 / 2, p. 179-186 https://www.tandfonline.com/doi/abs/10.3846/1392-6292.2009.14.179-186 Some methods for nonlinear ill-posed equationsVaarmann, OtuThe Fourth International Congress on Industrial and Applied Mathematics : Edinburgh (Scotland), 5-9 July, 1999 : book of abstracts1999 / p. 321 Some methods for solving nonlinear ill-posed problemsVaarmann, OtuApproximation methods and orthogonal expansions : abstracts of the International Conference on Approximation Methods and Orthogonal Expansions : Kääriku, Estonia, May 29-31, 1998 : dedicated to the 60th birthday of Professor Gennadi Vainikko1998 / p. 34 Some methods for solving two-point boundary-value problemsVaarmann, OtuTallinna Tehnikaülikooli Toimetised1992 / lk. 93-100 Some methods of parameter identification for multilayer neural networksVaarmann, OtuMODA 68 : 68th Meeting of the Euro Working Group Multiple Criteria Decision Aiding : October 2-3, 2008, Chania, Greece : abstracts and papers2008 / [5] p Some rapidly convergent methods for nonlinear Fredholm integral equationKaldo, Indrek; Vaarmann, OtuMathematical modelling and analysis : the Baltic journal on mathematical applications, numerical analysis and differential equations2005 / 1, p. 63-72 Some stable iterative methods for nonlinear least squares problemsVaarmann, Otu55th Meeting of the European Working Group "Multicriteria Aid for Decisions : Nature in and off MCDA"2002 / p. 27 5th International Conference on Optimal [i.e. Operational] Research "Simulation and Optimization in Business and Industry" : May 17-20, 2006, Tallinn, Estonia : programme and abstracts2006 http://www.ester.ee/record=b2146103*est Towards hierarchical approach for large nonlinear multi-objective optimization problemsLeibak, Alar; Vaarmann, Otu14th International Conference "Mathematical Modelling and Analysis" : May 27-30, 2009, Daugavpils, Latvia : abstracts2009 / p. 46 Two-parameter regularized Gauss-Newton type methods for highly nonlinear least squares problemsKangro, Inga; Vaarmann, OtuInternational Conference : 20th EURO Mini Conference "Continuous Optimization and Knowledge-based Technologies" (EurOPT-2008) : May 20-23, 2008, Neringa, Lithuania2008 / p. 160-164 Tööstusmatemaatika on nüüdiskultuuri osaVaarmann, OtuRahva Hääl1995 / 20. veebr VI Eesti matemaatikapäevad : [26.-27. juunil 1998 Jõulumäel]Jõgi, Aksel; Vaarmann, OtuAastaraamat 1998 / Eesti Matemaatika Selts2001 / lk. 177-179. (Kroonika) XV Eesti Matemaatika PäevadVaarmann, OtuAastaraamat 2013-2016 / Eesti Matemaatika Selts2017 / lk. 252-261 : fot https://dea.digar.ee/cgi-bin/dea?a=is&oid=JVarmteestimatemaatika201707&type=staticpdf http://www.ester.ee/record=b1226018*est О некоторых итерационных методах с последовательной аппроксимацией обратных и псевдообратных операторов : автореферат ... кандидата физико-математических наук (008)Vaarmann, Otu1970 http://www.ester.ee/record=b1380383*est Применение многометодного подхода для решения нелинейных систем уравненийKask, K.; Vaarmann, Otu; Tammeraid, IvarXXXII студенческая научно-техническая конференция вузов Прибалтийских республик, Белорусской ССР и Молдавской ССР, 19-21 апреля 1988 г. : тезисы докладов : [в 3-х частях], ч. 11988 / с. 42 https://www.ester.ee/record=b1571601*est