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Nonlinear programming: theory and algorithms
Article
Article
Nonlinear programming: theory and algorithms
Computers & Operations Research · 1993
Subjects / keywords: Karush–Kuhn–Tucker conditions; Nonlinear programming; Nonlinear system; Saddle point; Mathematical optimization; Duality (order theory); Mathematics; Linear programming; Function (biology); Convex optimization; Conve...
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Convergence Properties of the Nelder--Mead Simplex Method in Low Dimensions
Article
Article
Convergence Properties of the Nelder--Mead Simplex Method in Low Dimensions
Jeffrey C. Lagarias; James A. Reeds; Margaret H. Wright; Paul E. Wright · SIAM Journal on Optimization · 1998
Abstract. The Nelder–Mead simplex algorithm, first published in 1965, is an enormously popular direct search method for multidimensional unconstrained minimization. Despite its widespread use, essentially no theoretica...
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Least angle regression
Article
Article
Least angle regression
Bradley Efron; Trevor Hastie; Iain M. Johnstone; Robert Tibshirani · The Annals of Statistics · 2004
The purpose of model selection algorithms such as All Subsets, Forward Selection and Backward Elimination is to choose a linear model on the basis of the same set of data to which the model will be applied. Typically we ...
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Measuring the efficiency of decision making units
Article
Article
Measuring the efficiency of decision making units
A. Charnes; W. W. Cooper; Edwardo L. Rhodes · European Journal of Operational Research · 1978
A nonlinear (nonconvex) programming model provides a new definition of efficiency for use in evaluating activities of not-for-profit entities participating in public programs. A scalar measure of the efficiency of each p...
Idioma English
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Algoritmos eficientes para problemas de grafos
Text / resource
Text / resource
Algoritmos eficientes para problemas de grafos
Soulignac, Francisco · RIDAA UNQ · 2015
El objetivo central del proyecto es diseñar algoritmos eficientes para problemas de grafos, previo estudio de su tratabilidad. Nos centramos, en particular, en los problemas de coloreo y transversal en hipergrafos de in...
Idioma Spanish
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Robust and optimal control
Article
Article
Robust and optimal control
M. Weiss · Automatica · 1997
Subjects / keywords: Control theory (sociology); Separation principle; Robustness (evolution); Mathematics; LTI system theory; Robust control; Linear matrix inequality; Observer (physics); State observer; Linear system; Computer science; Mat...
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Moroccan Journal of Pure and Applied Analysis
Article
Article
Moroccan Journal of Pure and Applied Analysis
Sciendo; Poland · ISSN 2605-6364
Subjects / keywords: numerical analysis, ordinary and partial differential equations, optimization theory, control theory, linear and nonlinear functional analysis, classical analysis; Science: Mathematics
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Автоматика и телемеханика
Article
Article
Автоматика и телемеханика
RAS, V.A. Trapeznikov Institute of Control Sciences; Russian Federation · ISSN 0005-2310
Subjects / keywords: linear systems, stochastic systems, adaptive control, data analysis, optimization, operations research; Science: Mathematics; Social Sciences: Industries. Land use. Labor: Management. Industrial management: Technological...
Idioma Russian
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A bi-criterion optimization approach for the design and planning of hydrogen supply chains for vehicle use
Article
Article
A bi-criterion optimization approach for the design and planning of hydrogen supply chains for vehicle use
Guillén Gosálbez, Gonzalo et al · John Wiley & Sons Inc · 2010 · ISSN 0001-1541
In this article, we address the design of hydrogen supply chains for vehicle use with economic and environmental concerns. Given a set of available technologies to produce, store, and deliver hydrogen, the problem consis...
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Analysis and Optimization of Ultra-Low-Power Rectifier with High Efficiency for Applications in Wireless Power Transmission and Energy Harvesting
Article
Article
Analysis and Optimization of Ultra-Low-Power Rectifier with High Efficiency for Applications in Wireless Power Transmission and Energy Harvesting
Raphaella Luiza Resende da Silva et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2020 · ISSN 2179-1074
Abstract The system capable of harvesting RF energy from the environment through an antenna and converting it into direct current energy to deliver to a load is known as rectenna. The rectifier circuit is an important pa...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma English
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Dynamic Analysis and Parametric Optimization of Telescopic Tubular Mast Applied on Solar Sail
Article
Article
Dynamic Analysis and Parametric Optimization of Telescopic Tubular Mast Applied on Solar Sail
Chenyang Ji et al · KeAi Communications Co., Ltd · 2023 · ISSN 2192-8258
Abstract Large-scale solar sails can provide power to spacecraft for deep space exploration. A new type of telescopic tubular mast (TTM) driven by a bistable carbon fiber-reinforced polymer tube was designed in this stud...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma English
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Fabrication and optimization of floating tablets of antihypertensive drug losartan
Article
Article
Fabrication and optimization of floating tablets of antihypertensive drug losartan
Sehrish Rana Rajpoot et al · AMMANIF · 2025 · ISSN 2521-0521
This study developed, optimized, and evaluated floating tablets containing Losartan potassium intended to provide prolonged gastric retention for hypertensive patients. HPMC K15M was found to effectively extend drug rele...
LCC TENDOlBoYXJtYWN5IGFuZCBtYXRlcmlhIG1lZGljYQ~~Idioma English
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Online suboptimal control of linearized models
Article
Article
Online suboptimal control of linearized models
Costanza, Vicente et al · Taylor & Francis · 2014 · ISSN 2164-2583
A novel approach to approximately solving the restricted-control LQR problem online is substantiated and applied in two case-studies.  The first example is a one-dimensional system whose exact solution is known.  The o...
Idioma English
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Study and Optimization of Raman Amplifiers in Tellurite-Based Optical Fibers for Wide-Band Telecommunication Systems
Article
Article
Study and Optimization of Raman Amplifiers in Tellurite-Based Optical Fibers for Wide-Band Telecommunication Systems
G. D. de Andrade et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract Here we present a numerical analysis and the optimization of a multi-pump discrete Raman amplification system based on the use of a Tellurite optical fiber as the gain media. By using previously reported optimiz...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma English
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Development and optimization of a high-performance liquid chromatography method for the determination of theaflavin purity
Article
Article
Development and optimization of a high-performance liquid chromatography method for the determination of theaflavin purity
TIAN Hongyun et al · The Editorial Office of Chinese Journal of Food Hygiene · 2025 · ISSN 1004-8456
ObjectivesA high-performance liquid chromatography method was developed to determine the purity of theaflavins， a food additive.MethodsThe samples were dissolved in ethanol-water （2∶8，V/V） solution and separate...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Nutrition. Foods and food supplyIdioma zho
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Establishment and optimization of a HPLC method for determination of L-threonic acid in magnesium L-threonate
Article
Article
Establishment and optimization of a HPLC method for determination of L-threonic acid in magnesium L-threonate
TIAN Hongyun et al · The Editorial Office of Chinese Journal of Food Hygiene · 2025 · ISSN 1004-8456
ObjectiveTo develop a high-performance liquid chromatography-based method for the determination of L-threonate in magnesium L-threonate products.MethodsThe samples were dissolved in water and separated by C18 reversed-ph...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Nutrition. Foods and food supplyIdioma zho
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An exact mathematical formulation for the optimal log transportation
Article
Article
An exact mathematical formulation for the optimal log transportation
Bordon, Maximiliano Ramon et al · Elsevier Science · 2018 · ISSN 1389-9341
In this work, a Mixed-Integer Linear Programming (MILP) model for daily routing of trucks in forest industry is presented. The aim is to generate truck routes at minimum cost, while logs supply is guaranteed. Models usua...
Idioma English
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Developing a Python neural network model for potato yield forecasting with limited data
Article
Article
Developing a Python neural network model for potato yield forecasting with limited data
D. A. Moskvichev · Federal Agricultural Research Center of the North-East named N.V. Rudnitsky · 2026 · ISSN 2072-9081
This research focuses on developing a neural network model in the Python programming language to solve the technological problem of forecasting potato yields with limited agroclimatic data. The developed program is consi...
LCC LCC:AgricultureIdioma rus
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Estimate of the optimal level of concentrates for dairy cows on tropical pastures by using the concept of marginal analysis Estimativa do nível ótimo de concentrado para vacas leiteiras em pastos tropicais utilizando-se o conceito de análise marginal
Article
Article
Estimate of the optimal level of concentrates for dairy cows on tropical pastures by using the concept of marginal analysis Estimativa do nível ótimo de concentrado para vacas leiteiras em pastos tropicais utilizando-se o conceito de análise marginal
André Soares de Oliveira et al · Sociedade Brasileira de Zootecnia · 2010 · ISSN 1516-3598
It was adopted in this work a methodology to estimate the optimal level of concentrate food for dairy cows on tropical pastures based on the theory of marginal analysis. An empiric model was developed and validated for a...
LCC LCC:Animal cultureIdioma English
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Optimal Multiproduct and Multiechelon Supply Chain Network Design
Article
Article
Optimal Multiproduct and Multiechelon Supply Chain Network Design
Montagna, Agustín Francisco et al · Universidad Federal de Santa Catarina (UFSC) · 2018 · ISSN 2175-8018
This work proposes a novel approach for the optimal design of multiproduct supply chain networks (SCN). Through a mixed integer linear programming (MILP) formulation the aim is to establish the structure of facilities th...
Idioma English
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Optimal rearrangement problem and normalized obstacle problem in the fractional setting
Article
Article
Optimal rearrangement problem and normalized obstacle problem in the fractional setting
Fernandez Bonder, Julian et al · De Gruyter · 2020 · ISSN 1592-1606
We consider an optimal rearrangement minimization problem involving the fractional Laplace operator (-Δ)s, 0 < s < 1, and the Gagliardo seminorm jujs. We prove the existence of the unique minimizer, analyze its properti...
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Processing Time Reduction: an Application in Living Human High-Resolution Diffusion Magnetic Resonance Imaging Data
Article
Article
Processing Time Reduction: an Application in Living Human High-Resolution Diffusion Magnetic Resonance Imaging Data
Lori, Nicolás Francisco et al · Springer · 2016 · ISSN 0148-5598
High Angular Resolution Diffusion Imaging (HARDI) is a type of brain imaging that collects a very large amount of data, and if many subjects are considered then it amounts to a big data framework (e.g., the human connect...
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Linear methods in band theory
Article
Article
Linear methods in band theory
OK Andersen · Physical review. B, Solid state · 1975
Two approximate methods for solving the band-structure problem in an efficient and physically transparent way are presented and discussed in detail. The variational principle for the one-electron Hamiltonian is used in b...
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LINCS: A linear constraint solver for molecular simulations
Article
Article
LINCS: A linear constraint solver for molecular simulations
Berk Hess; Henk Bekker; Herman J. C. Berendsen; J. G. E. M. Fraaije · Journal of Computational Chemistry · 1997
In this article, we present a new LINear Constraint Solver (LINCS) for molecular simulations with bond constraints. The algorithm is inherently stable, as the constraints themselves are reset instead of derivatives of th...
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