Algebraic error in the numerical solution of differential equations
Liesen, J.; Papež, J.; Strakoš, Zdeněk
2012 - anglický
Klíčová slova:
spatial distribution of errors; algebraic error; finite element method; iterative solver
Plné texty jsou dostupné na vyžádání prostřednictvím repozitáře Akademie věd.
Algebraic error in the numerical solution of differential equations
Accuracy Estimates for Surrogate Solutions of Integral Equations by Neural Networks
Kůrková, Věra
2012 - anglický
Surrogate solutions of integral equations by neural networks are investigated theoretically. Upper bounds on speed of convergence of approximate solutions computable by neural networks with increasing model complexity to exact solutions described by Fredholm theorem are derived.
Klíčová slova:
surrogate solutions by neural networks; Fredholm integral equations; network complexity
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Accuracy Estimates for Surrogate Solutions of Integral Equations by Neural Networks
Surrogate solutions of integral equations by neural networks are investigated theoretically. Upper bounds on speed of convergence of approximate solutions computable by neural networks with increasing ...
On prescribing restarted GMRES
Duintjer Tebbens, Jurjen; Meurant, G.
2012 - anglický
Klíčová slova:
restarted GMRES; prescribed convergence; Arnoldi orthogonalization; stagnation; Ritz values
Plné texty jsou dostupné na vyžádání prostřednictvím repozitáře Akademie věd.
On prescribing restarted GMRES
Calculating the rank of the Sylvester matrix
Kuřátko, J.; Hnětynková, Iveta
2012 - anglický
Klíčová slova:
Sylvester matrix; rank revealing; regularization
Plné texty jsou dostupné na vyžádání prostřednictvím repozitáře Akademie věd.
Calculating the rank of the Sylvester matrix
Direct Methods and Algebraic Preconditioners for Solving Large and Sparse Systems of Linear Equations
Tůma, Miroslav
2012 - anglický
Klíčová slova:
direct methods; sparse linear systems; incomplete decompositions; preconditioned iterative methods
Plné texty jsou dostupné na vyžádání prostřednictvím repozitáře Akademie věd.
Direct Methods and Algebraic Preconditioners for Solving Large and Sparse Systems of Linear Equations
Language of Preference Formulae
Nedbal, Radim
2012 - anglický
There is a need for handling preferences in relational query languages that arises naturally in real-world applications dealing with possible choices generated by the current state of the world captured in the relational data model. To address this problem, we propose a fully declarative language for encoding preferences conditional on the current state of the world represented as a relation database instance. Being based purely on the qualitative type of information about the preference model, the language is intuitive and leads to a exible approach for specifying the most desirable choices of autonomous systems that act on behalf of their designers. Throughout the paper, we use an example of a control support system for a bank surveillance to motivate the need for our framework and to illustrate it.
Klíčová slova:
conflicting preferences; relational data model; database query
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Language of Preference Formulae
There is a need for handling preferences in relational query languages that arises naturally in real-world applications dealing with possible choices generated by the current state of the world ...
On iterative refinement for seminormal equations
Kopal, J.; Rozložník, Miroslav; Smoktunowicz, A.
2012 - anglický
Klíčová slova:
orthogonalization process; nonstandard inner product; approximate inverse preconditioning
Plné texty jsou dostupné na vyžádání prostřednictvím repozitáře Akademie věd.
On iterative refinement for seminormal equations
Estimation of diffusivity of phycobilisomes on thylakoid membrane based on spatio-temporal FRAP images
Papáček, Š.; Kaňa, Radek
2012 - anglický
Klíčová slova:
FRAP technique; diffusion equation; boundary value problem
Plné texty jsou dostupné na vyžádání prostřednictvím repozitáře Akademie věd.
Estimation of diffusivity of phycobilisomes on thylakoid membrane based on spatio-temporal FRAP images
Analysis of Phycobilisomes Mobility on Thylakoid Membrane: Part I. Reconstruction of Diffussion based on Spatio-Temporal FRAP Images
Papáček, Š.; Matonoha, Ctirad
2011 - anglický
Klíčová slova:
thylakoid membrane; FRAP; boundary value problem
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Analysis of Phycobilisomes Mobility on Thylakoid Membrane: Part I. Reconstruction of Diffussion based on Spatio-Temporal FRAP Images
Classification Methods for Brain-Computer Interface
Bobrov, P.; Frolov, A. A.; Húsek, Dušan
2011 - anglický
The performance of four classifiers for Brain Computer Interface (BCI) systems based on multichannel EEG recordings is tested in this work. The classifiers are designed to distinguish EEG patterns corresponding to performance of several mental tasks. It is shown that relatively simple classifiers based on the Bayesian approach are comparable in classification accuracy with more sophisticated classifiers based on Common Spatial Patterns and Common Tensor Discriminant Analysis
Klíčová slova:
brain computer interface; BCI; EEG; Bayesian classifier; common spatial patterns; CSP; common tensor discriminant analysis; CTDA; classification accuracy
Plné texty jsou dostupné na vyžádání prostřednictvím repozitáře Akademie věd.
Classification Methods for Brain-Computer Interface
The performance of four classifiers for Brain Computer Interface (BCI) systems based on multichannel EEG recordings is tested in this work. The classifiers are designed to distinguish EEG patterns ...
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