Results 71 to 80 of about 150 (103)

The general purpose analog computer and recursive functions over the reals

, 2002
Pretende-se analisar na presente dissertação diversos modelos matemáticos de computação analógica. Começa-se por analisar o primeiro modelo conhecido deste tipo, o Computador Analógico (GPAC, abreviatura do inglês). São descritos os principais resultados existentes para este modelo, sendo também apresentada uma abordagem alternativa.
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A Unified Non-Recursive Framework for Partial Fraction Decomposition of Rational Functions with Arbitrary Real and Complex Exponents

This paper presents a unified analytical framework for the partial fraction decomposition of rational functions whose denominators involve arbitrary real and complex exponents and coefficients. Unlike classical treatments, which are restricted to polynomial denominators with non-negative integer powers and rely on recursive coefficient determination ...
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Convergence of a Recursive Identifier Using Positive Real Transfer Function

Transactions of the Society of Instrument and Control Engineers, 1982
KONISHI, Katsunobu, YOU, Zhong-gui, YOSHIMURA, Toshio, SOEDA, Takashi   +3 more
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Recursion and subrecursion over finite and infinite words with applications to computable real valued functions

, 2007
A recursion scheme for functions on intervals to approximate real-valued functions is described and compared with recursion schemes on finite and infinite words. Es wird ein Rekursionschema für Funktionen auf Intervallen, die reellwertige Funktionen approximieren, beschrieben und mit Rekursionsschemata auf endlichen und unendlichen Wörtern verglichen.
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Real-Time Computation and Recursive Functions Not Real-Time Computable

IEEE Transactions on Electronic Computers, 1962
As an attempt to investigate a general theory of real-time computability in digital computers, a subclass of Turing machines is formally introduced together with some classes of functions that are computable by them in real time. Then the existence is established of a class of recursive functions that are not computable in real time by use of a class ...
Hisao Yamada
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Real Recursive Functions and Baire Classes

Fundamenta Informaticae, 2005
Recursive functions over the reals [6] have been considered, first as a model of analog computation, and second to obtain analog characterizations of classical computational complexity classes [2]. However, one of the operators introduced in the seminal paper by Cris Moore (in 1996), the minimalization operator, creates some ...
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A Vector Matrix Real Time Recursive Backpropagation Algorithm for Recurrent Neural Networks That Approximate Multi-Valued Periodic Functions

International Journal of Computational Intelligence and Applications, 2009
Unlike feedforward neural networks (FFNN) which can act as universal function approximators, recursive, or recurrent, neural networks can act as universal approximators for multi-valued functions. In this paper, a real time recursive backpropagation (RTRBP) algorithm in a vector matrix form is developed for a two-layer globally recursive neural ...
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Isotopies and Non-Recursive Functions in Real Algebraic Geometry

Lecture Notes in Mathematics, 1990
Alexander Nabutovsky
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Real-time and Recursive Estimators for Functional MRI Quality Assessment

Neuroinformatics, 2022
Real-time quality assessment (rtQA) of functional magnetic resonance imaging (fMRI) based on blood oxygen level-dependent (BOLD) signal changes is critical for neuroimaging research and clinical applications. The losses of BOLD sensitivity because of different types of technical and physiological noise remain major sources of fMRI artifacts.
Nikita Davydov, Lucas Peek, Tibor Auer, Evgeny Prilepin, Nicolas Gninenko, Dimitri Van De Ville, Artem V. Nikonorov, Yury Koush   +7 more
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Inferability of recursive real-valued functions

1997
This paper presents a metod of inductive inference of realvalued functions from given pairs of observed data of (x,h(x)), where h is a target function to be inferred. Eac of suc observed data inevitably involves some ranges of errors, and hence it is usually represented by a pair of rational numbers sow te approximate value and te error bound ...
Eiju Hirowatari, Setsuo Arikawa
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