Kernel Function
Mostrando 1-12 de 50 artigos, teses e dissertações.
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1. Ore resource estimation based on radial based functions - Case study on União Luiz and Morro do Carrapato Gold Deposits (Alta Floresta Gold Province)
Abstract Radial basis functions can be used as an alternative method for mineral resource estimation when ordinary kriging cannot be done because it is impossible to calculate an experimental variogram. Interpolation based on radial based functions is a method that is similar to ordinary kriging. In this context, this article presents the results of gold res
REM, Int. Eng. J.. Publicado em: 19/06/2019
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2. Agronomic performance and sweet corn quality as a function of inoculant doses (Azospirillum brasilense) and nitrogen fertilization management in summer harvest
ABSTRACT The inoculation of sweet corn seeds with Azospirillum brasilense in association to nitrogen fertilizer may be an agronomic alternative for increasing the crop yield and net income of plant growers. Therefore, the aim of this study was to investigate the effect of the different doses of inoculant (Azospirillum brasilense) associated to the nitrogen f
Bragantia. Publicado em: 11/02/2019
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3. THE USE OF ARTIFICIAL INTELLIGENCE FOR ESTIMATING SOIL RESISTANCE TO PENETRATION
ABSTRACT The aim of this study was to present and to evaluate methodologies for the estimation of soil resistance to penetration (RP) using artificial intelligence prediction techniques. In order to do so, a data base with values of physical-water characteristics of the soils available in the literature was used, and the performances of Artificial Neural Net
Eng. Agríc.. Publicado em: 2018-01
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4. Human and canine visceral leishmaniasis in an emerging focus in Araçuaí, Minas Gerais: spatial distribution and socio-environmental factors
This study aimed to analyse the spatial distribution of human (2007-2013) and canine (2013) visceral leishmaniasis (VL) in the city of Araçuaí, Minas Gerais, Brazil, and identify the socio-environmental factors related to their occurrence. The spatial distribution of human and canine cases was analysed by kernel density estimation (KDE) and the K function.
Mem. Inst. Oswaldo Cruz. Publicado em: 04/07/2016
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5. Spatial distribution of triatomines in domiciles of an urban area of the Brazilian Southeast Region
Reports of triatomine infestation in urban areas have increased. We analysed the spatial distribution of infestation by triatomines in the urban area of Diamantina, in the state of Minas Gerais, Brazil. Triatomines were obtained by community-based entomological surveillance. Spatial patterns of infestation were analysed by Ripley’s K function and Kernel de
Mem. Inst. Oswaldo Cruz. Publicado em: 2016-01
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6. Online hybrid modeling method with application for predicting Bauxite production indicators
Abstract In the bauxite flotation process, concentrate grade and tailings grade are key production indicators; however, they are difficult to measure online. It is also difficult to develop an effective mathematical model for the process because of the complex non-linear and uncertain relationship among the feed parameters (feed grade, pulp density, slurry p
Rem: Rev. Esc. Minas. Publicado em: 2015-12
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7. Recognition of heart sound based on distribution of Choi-Williams
IntroductionTo realize noninvasive diagnosis and early diagnosis of coronary heart disease, the study proposes a new time-frequency method for analyzing heart sound signals. This method is based on Choi-Williams Distribution (CWD).MethodsCWD distribution is developed and modified from Wigner Ville distribution (WVD). To solve the problem of cross-term interf
Res. Biomed. Eng.. Publicado em: 29/09/2015
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8. A maximum margin-based kernel width estimator and its application to the response to neoadjuvant chemotherapy
INTRODUCTION: Function induction problems are frequently represented by affinity measures between the elements of the inductive sample set, and kernel matrices are a well-known example of affinity measures. METHODS: The objective of the present work is to obtain information about the relations between data from a calculated kernel matrix by initially assumin
Rev. Bras. Eng. Bioméd.. Publicado em: 2014-03
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9. Prediction of monomer reactivity in radical copolymerizations from transition state quantum chemical descriptors
In comparison with the Q-e scheme, the Revised Patterns Scheme: the U, V Version (the U-V scheme) has greatly improved both its accessibility and its accuracy in interpreting and predicting the reactivity of a monomer in free-radical copolymerizations. Quantitative structure-activity relationship (QSAR) models were developed to predict the reactivity paramet
Polímeros. Publicado em: 20/08/2013
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10. Uma plataforma para ensino e treinamento em desenvolvimento de sistemas operacionais / A learning and training platform on operating systems development
This work aims at proposing and developing a learning and training platform on design and implementation of operating systems. After more than a decade of hegemony of a few commercial products, the establishment of free software paradigm and the proliferation of embedded architectures capable of running an operating system (OS) increase the demand for specia
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/06/2012
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11. Spatial exploration of Streptococcus pneumoniae clonal clustering in São Paulo, Brazil
OBJECTIVES: To examine the spatial distribution of Streptococcus pneumoniae and its clonal patterns collected between 2002 and 2006 in São Paulo, Brazil. METHODS: As part of an observational study in São Paulo city, Brazil, S. pneumoniae isolates routinely cultured from blood, respiratory specimens, or cerebrospinal and other profound fluids were selected.
Brazilian Journal of Infectious Diseases. Publicado em: 2011-10
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12. A semi-analytical computation of the Kelvin kernel for potential flows with a free surface
A semi-analytical computation of the three dimensional Green function for seakeeping flow problems is proposed. A potential flow model is assumed with an harmonic dependence on time and a linearized free surface boundary condition. The multiplicative Green function is expressed as the product of a time part and a spatial one. The spatial part is known as the
Computational & Applied Mathematics. Publicado em: 2011