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Browsing by Subject "Error analysis"

Now showing items 1-20 of 30

Accurate and efficient matrix exponential computation

Sastre, Jorge; Ibáñez González, Jacinto Javier; Ruiz Martínez, Pedro Antonio; Defez Candel, Emilio (Taylor & Francis (Routledge): STM, Behavioural Science and Public Health Titles, 2014-01)

[EN] This work gives a new formula for the forward relative error of matrix exponential Taylor approximation and proposes new bounds for it depending on the matrix size and the Taylor approximation order, providing a new ...
Ammonia Emission Quantification from Pig Slurry Using Acid Wet Traps: Evaluation and Optimization of Measurement Frequency

Antezana-Julián, Walter Orestes; Ferrer Riera, Pablo; Cambra López, María; Estellés, F.; Calvet, S. (Springer-Verlag, 2016)

[EN] Standardized measurement protocols are required to reduce ammonia (NH3) emissions. In vitro measurement of NH3 emissions consists in trapping the emission from an emitting source in an acidic solution under controlled ...
An effcient algorithm based on splitting for the time integration of the Schrödinger equation

Blanes Zamora, Sergio; Casas, Fernando; Murua, Ander (Elsevier, 2015-12-15)

We present a practical algorithm based on symplectic splitting methods intended for the numerical integration in time of the Schrödinger equation when the Hamiltonian operator is either time-independent or changes slowly ...
Análisis de errores de uso del verbo en el estudiantado ruso de ELE: enfoque comparativo de la lengua rusa y la lengua española

Marynenko, Pavlo; Portnova, Tatjana (Universitat Politècnica de València, 2024-07-08)

[EN] This article analyzes grammatical competence errors related to the usage of the Spanish verb in native Russian-speaking students. The sample was obtained from the CEDEL2 public corpus and is composed of 57 texts written ...
Análisis de la equivalencia semántica en la traducción automática de reseñas de Amazon: inglés-español

Gilabert Lucas, Clara (Universitat Politècnica de València, 2023-09-27)

[ES] El estudio que se presenta pretende proponer una tipología de errores de transferencia semántica aplicada al género del Contenido Generado por el Usuario y analizar cuáles son los más comunes dentro de este género ...
Application of the Morris method for screening the influential parameters of fuzzy controllers applied to wastewater treatment plants

Ruano García, María Victoria; Ribes Bertomeu, Jose; FERRER, J.; Sin, G (IWA Publishing, 2011)

In this paper,we evaluate the application of a sensitivity analysis to help fine-tuning a fuzzy controller for a biological nitrogen and phosphorus removal (BNPR) plant. TheMorris Screeningmethod is proposed and evaluated ...
Can lexical errors inform about word class acquisition in FL?: evidence from greek learners of Spanish as a foreign language

Palapanidi, Kiriaki; Agustín Llach, María Pilar (Editorial Universitat Politècnica de València, 2014-07-01)

[EN] This research examines the order of acquisition of words of four different classes: verbs, nouns, adjectives, and adverbs in three different levels of proficiency in the FL. We apply the procedure of Error Analysis ...
Contraste entre los errores ortográficos en lengua inglesa de hablantes bilingües de Gibraltar y los de un grupo monolingüe del Reino Unido

Mariscal Ríos, Alicia María (Universitat Politècnica de València, 2023-07-26)

[ES] En este artículo, presentamos los errores ortográficos en inglés de 40 hablantes bilingües de español-inglés en Gibraltar, que serán contrastados con los de 21 hablantes monolingües del Reino Unido. Gibraltar es un ...
Correcting erroneous N+N structures in the productions of French users of English

Garnier, Marie (Universitat Politècnica de València, 2012-03-22)

[EN] This article presents the preliminary steps to the implementation of detection and correction strategies for the erroneous use of N+N structures in the written productions of French-speaking advanced users of English. ...
Desarrollo de una herramienta Software para el análisis de errores en instrumentación destinada al análisis de polímeros

Mancebo Gómez, Juan Jose (Universitat Politècnica de València, 2022-10-15)

[ES] La instrumentación analítica destinada al análisis de polímeros está compuesta por diferentes tipos de sensores. Durante su funcionamiento estos sensores pueden tener un comportamiento erróneo que afecte la interpretación ...
Design of a Robust H-infinity Flight Controller for the Inspection of Offshore Wind Turbines using an autonomous Unmanned Aerial Vehicle.

Moreno Gimeno, Gema (Universitat Politècnica de València, 2022-11-30)

[ES] En el cambio hacia las energías renovables, las plantas de energía eólica desempeñan un papel fundamental, ya que constituyen la mayor parte de la combinación de fuentes de energía renovables. En este contexto, los ...
Detección Automática de un Patrón para la Calibración Automática de Cámaras

de la Escalera, Arturo; Armingol, José María; Pech, José Luis; Gómez, José Julián (Universitat Politècnica de València, 2010-10-08)

[EN] The number of applications that need to calibrate cameras is increasing. Present methods can calculate camera parameter in a semi-automatic way. Because of that full-automatic methods are being researched in order to ...
Efficient computation of the matrix cosine

Sastre, Jorge; Ibáñez González, Jacinto Javier; Ruiz Martínez, Pedro Antonio; Defez Candel, Emilio (Elsevier, 2013-03-15)

Trigonometric matrix functions play a fundamental role in second order differential equation systems. This work presents an algorithm for computing the cosine matrix function based on Taylor series and the cosine double ...
Efficient orthogonal matrix polynomial based method for computing matrix exponential

Sastre, Jorge; Ibáñez González, Jacinto Javier; Defez Candel, Emilio; Ruiz Martínez, Pedro Antonio (Elsevier, 2011-03-15)

The matrix exponential plays a fundamental role in the solution of differential systems which appear in different science fields. This paper presents an efficient method for computing matrix exponentials based on Hermite ...
Error in the learning and teaching of english as a second language at higher education level

Mestre i Mestre, Eva María (Universitat Politècnica de València, 2011-07-22)

Linguistic error has proven to be a recurrent area of interest for researchers. There exist several types of approaches to error; some studies have focused on specific errors, such as grammatical errors, others on more ...
Errores léxicos en la interlengua de aprendientes de L2. Un estudio contrastivo italiano y español

Barbasán-Ortuño, Inmaculada (Universidad Complutense de Madrid, 2021)

[EN] The objective of this study is to analyse lexical errors in the written production of students who learn related languages, specifically Italian-speaking students who learn Spanish and Spanish-speaking students who ...
Estimation of shrub biomass by airborne LiDAR data in small forest stands

Estornell Cremades, Javier; Ruiz Fernández, Luis Ángel; Velázquez Martí, Borja; Fernández Sarriá, Alfonso (Elsevier, 2011-11-01)

The presence of shrub vegetation is very significant in Mediterranean ecosystems. However, the difficulty involved in shrub management and the lack of information about behavior of this vegetation means that these areas ...
Exhaustive search procedure for multiple outlier detection

Baselga Moreno, Sergio (Akadémiai Kiadó, 2011)

In the last decades many statistical tests based on the least squares solution have been proposed for multiple outlier detection. All of them suffer, however, from deficiencies that make them inefficient in their practical ...
Identificación de los errores gramaticales en inglés en los niveles B2 y C1 del MCERL y sus causas

Jin, Luxi (Universitat Politècnica de València, 2022-11-03)

[ES] Con la globalización de la economía, la política y la cultura, el inglés es cada vez más importante como herramienta para la comunicación en el ámbito internacional. La escritura en inglés puede considerarse un reflejo ...
Integrated sensor and management system for urban waste water networks and prevention of critical situations

Sempere Paya, Víctor Miguel; Santonja Climent, Salvador (Elsevier, 2012-01)

[EN] This work describes the design and implementation of improvements to the monitoring system of an urban waste water network, resulting in more efficient management of the system. To achieve this objective, the latest ...