Search results for: computation

• APPLIED MATHEMATICS AND COMPUTATION

  Journals

  ISSN: 0096-3003 , eISSN: 1873-5649

• Semantics for an Interdisciplinary Computation

  Publication

  • J. Zander
  • P. J. Mosterman

  - Year 2013

  Semantics for an interdisciplinary computation is becoming increasingly difficult to capture while dealing with multi-domain problems. Expertise from Computer Science, Computer Engineering, Electrical Engineering, and other disciplines merges as engineering challenges in modern systems, such as, Cyber-Physical Systems, Smart Cities, and Bionic Systems must be tackled in a methodological manner. In this paper, a paradigm for formalization...

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• Journal of Chemical Theory and Computation

  Journals

  ISSN: 1549-9618 , eISSN: 1549-9626

• Elementary gates for cartoon computation

  Publication

  • M. Czachor

  - Journal of Physics A-Mathematical and Theoretical - Year 2007

  Sformułowano elementarne bramki kwantowe, pozwalające tłumaczyć algorytmy kwantowe na język geometryczny.

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• A macroscopic device for quantum computation

  Publication

  • D. Aerts
  • E. D'Hondt
  • B. D'Hooghe
  • M. Czachor
  • J. Dehaene
  • B. De Moor

  - INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS - Year 2008

  Przeanalizowano mechaniczny model kwantowego układu 2-bitowego. Model jest zilustrowany algorytmem Deutscha i Arvinda.

• Computation of Cubical Steenrod Squares

  Publication

  • M. Krčál
  • P. Pilarczyk

  - Year 2016

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• Consistency of Quantum Computation and the Equivalence Principle.

  Publication

  • M. Nowakowski

  - Foundations of Science - Year 2023

  The equivalence principle, being one of the building blocks of general relativity, seems to be crucial for analysis of quantum effects in gravity. In this paper we consider the relation between the equivalence principle and the consistency of quantum information processing in gravitational field. We propose an analysis with a looped evolution consisting of steps both in the gravitational field and in the accelerated reference frame....

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• 1.21 Computation of Structure, Dynamics, and Thermodynamics of Proteins

  Publication

  • S. OŁdziej
  • C. Czaplewski
  • A. Liwo
  • J. Vila
  • H. Scheraga
  • C. Czaplewski

  - Year 2012

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• Graph Approach to the Computation of the Homology of Continuous Maps

  Publication

  • K. Mischaikow
  • M. Mrozek
  • P. Pilarczyk

  - FOUNDATIONS OF COMPUTATIONAL MATHEMATICS - Year 2005

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• Accurate Computation of IGBT Junction Temperature in PLECS

  Publication

  • P. Górecki
  • D. Wojciechowski

  - IEEE TRANSACTIONS ON ELECTRON DEVICES - Year 2020

  In the article, a new method to improve the accuracy of the insulated-gate bipolar transistor (IGBT) junction temperature computations in the piecewise linear electrical circuit simulation (PLECS) software is proposed and described in detail. This method allows computing the IGBT junction temperature using a nonlinear compact thermal model of this device in PLECS. In the method, a nonlinear compact thermal model of the IGBT is...

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• Argument & Computation

  Journals

  ISSN: 1946-2166 , eISSN: 1946-2174

• EVOLUTIONARY COMPUTATION

  Journals

  ISSN: 1063-6560 , eISSN: 1530-9304

• Neural Computation

  Journals

  ISSN: 0899-7667 , eISSN: 1530-888X

• Mobile Cloud computing architecture for massively parallelizablegeometric computation

  Publication

  • V. Sánchez Ribes
  • H. Mora-Mora
  • A. Sobecki
  • F. José Mora Gimeno

  - COMPUTERS IN INDUSTRY - Year 2020

  Cloud Computing is one of the most disruptive technologies of this century. This technology has been widely adopted in many areas of the society. In the field of manufacturing industry, it can be used to provide advantages in the execution of the complex geometric computation algorithms involved on CAD/CAM processes. The idea proposed in this research consists in outsourcing part of the load to be com- puted in the client machines...

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• Computation of the convolution with use of the polynomial residue number system.

  Publication

  • R. Smyk
  • Z. Ulman

  - Year 2004

  Przedstawiono użycie wielomianowych systemów resztowych do obliczania splotu w cyfrowych układach dużej skali integracji VLSI.

• Moving objects in the problem of path planning by evolutionary computation

  Publication

  • R. Smierzchalski
  • A. Łebkowski

  - Year 2003

  ...

• Cartoon computation: Quantum-like algorithms without quantum mechanics

  Publication

  • D. Aerts
  • M. Czachor

  - Journal of Physics A-Mathematical and Theoretical - Year 2007

  Zaproponowano formalizm prowadzący do algorytmów analogicznych do kwantowych, lecz wykorzystujący jedynie struktury geometryczne. Jako przykład sformułowano odpowiednik kwantowego algorytmu Deutscha-Jozsy.

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• Ionospheric scintillations computation using real-time GPS observations

  Publication

  • G. Nykiel
  • L. Rachoń
  • M. Figurski

  - Artificial Satellites, Journal of Planetary Geodesy - Year 2014

  The following paper presents the results of quasi-real-time determination of the values of phase scintillations indices at the period of ionospheric disturbances that occurred as a consequence of the Sun flares observed on March 7 and 9, 2012. Double-frequency observations with 1-second measurement interval from the EPN (EUREF Permanent Network) network sites located at high latitudes were used for the analysis. To determine the phase...

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• CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE

  Journals

  ISSN: 1532-0626 , eISSN: 1532-0634

• FPGA computation of magnitude of complex numbers using modified CORDIC algorithm

  Publication

  • M. Czyżak
  • R. Smyk

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2015

  In this work we present computation of the magnitude of complex numbers using a modified version of the CORDIC algorithm that uses only five iterations. The relationship between the computation error and the number of CORDIC iterations are presented for floating-point and integer arithmetics. The proposed modification of CORDIC for integer arithmetic relies upon the introduction of correction once basic computations are performed...

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• Dynamic computation of acoustic field distribution in the city area employing a supercomputer

  Publication

  • M. Szczodrak

  - Year 2009

• Excision-preserving cubical approach to the algorithmic computation of the discrete Conley index

  Publication

  • P. Pilarczyk
  • K. Stolot

  - TOPOLOGY AND ITS APPLICATIONS - Year 2008

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• Search safe ship trajectories in collision situation at sea by evolutionary computation

  Publication

  • A. Łebkowski
  • R. Smierzchalski

  - Year 2003

  ...

• Analysis of Crash Computation on a Basis of the Pronciple of Linear Momentum and Kinetic Energy

  Publication

  • K. J. Kaliński
  • M. Chodnicki
  • B. Kowalska
  • P. Kmita

  - Year 2016

  The article shows the calculation of a vehicle crash with a fixed pile, modelled by the finite element method. There were compared during the crash simulations changes in kinetic energy, as well as – changes in linear momentum and its derivative, with respect to time. Calculations were made in the HyperWorks CAE software environment. The obtained results show influence of various body parts and devices of the deceleration on...

• Computation

  Journals

  ISSN: 2079-3197

• COMPEL-THE INTERNATIONAL JOURNAL FOR COMPUTATION AND MATHEMATICS IN ELECTRICAL AND ELECTRONIC ENGINEERING

  Journals

  ISSN: 0332-1649

• Research on Language and Computation

  Journals

  ISSN: 1570-7075

• Journal of Language and Computation

  Journals

  ISSN: 1468-1145

• Mathematical Programming Computation

  Journals

  ISSN: 1867-2949 , eISSN: 1867-2957

• JOURNAL OF SYMBOLIC COMPUTATION

  Journals

  ISSN: 0747-7171

• Cognitive Computation and Systems

  Journals

  eISSN: 2517-7567

• QUANTUM INFORMATION & COMPUTATION

  Journals

  ISSN: 1533-7146

• JOURNAL OF LOGIC AND COMPUTATION

  Journals

  ISSN: 0955-792X , eISSN: 1465-363X

• Spatial Cognition and Computation

  Journals

  ISSN: 1387-5868 , eISSN: 1542-7633

• Optimizing the computation of a parallel 3D finite difference algorithm for graphics processing units

  Publication

  • J. Porter-Sobieraj
  • S. Cygert
  • K. Daniel
  • J. Sikorski
  • M. Słodkowski

  - CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE - Year 2015

  This paper explores the possibilities of using a graphics processing unit for complex 3D finite difference computation via MUSTA‐FORCE and WENO algorithms. We propose a novel algorithm based on the new properties of CUDA surface memory optimized for 2D spatial locality and compare it with 3D stencil computations carried out via shared memory, which is currently considered to be the best approach. A case study was performed for...

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• Noise spectral density computation based on finite element model of piezoceramic sensor

  Publication

  • P. Sedlak
  • J. Majzner
  • L. Grmela
  • L. Hasse

  - Year 2006

  The high sensitivity with wide bandwidth is required for sensor applications in non-destructive testing (NDT). The sensitivity of piezoceramic sensors demands to minimize their noise especially thermal noise, polarisation noise and low frequency 1/f noise,which are the main sources of voltage or current fluctuation in this sort of sensors. For simplicity, only the piezoceramic part of sensor was under study. the theoretical and...

• Computation of cubical homology, cohomology, and (co)homological operations via chain contraction

  Publication

  • P. Pilarczyk
  • P. Real

  - ADVANCES IN COMPUTATIONAL MATHEMATICS - Year 2015

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• Trajectory planning in collision situations at sea by evolutionary computation - experiments with moving targets

  Publication

  • R. Smierzchalski
  • A. Łebkowski

  - Year 2002

  ...

• Ternary Bismuthide SrPtBi2: Computation and Experiment in Synergism to Explore Solid-State Materials

  Publication

  • X. Gui
  • X. Zhao
  • Z. Ryżyńska
  • C. Wang
  • T. Klimczuk
  • K. Ho
  • W. Xie

  - Journal of Physical Chemistry C - Year 2018

  A combination of theoretical calculation and the experimental synthesis to explore the new ternary compound is demonstrated in the Sr–Pt–Bi system. Because Pt–Bi is considered as a new critical charge-transfer pair for superconductivity, it inspired us to investigate the Sr–Pt–Bi system. With a thorough calculation of all the known stable/metastable compounds in the Sr–Pt–Bi system and crystal structure predictions, the thermodynamic...

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• High-accuracy computation of hard X-ray focusing and imaging for refractive optics

  Publication

  • P. Wojda
  • S. Kshevetskii
  • I. Lyatun

  - JOURNAL OF SYNCHROTRON RADIATION - Year 2021

  A mathematical apparatus for solving problems of X-ray wave propagation through complex optical systems, when the lens thickness can change with jumps, is developed and presented. The developed method is based on the use of the superposition of oriented Gaussian beams, which satisfy the Helmholtz equation with high accuracy. The wave propagation in air and through kinoform and ordinary lenses is considered. Focusing and imaging...

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• Accelerated Monte Carlo method for computation of photon migration by matrix description of photon direction

  Publication

  • J. Pluciński

  - OPTICA APPLICATA - Year 2005

  Przedstawiono metodę obliczeń dyfuzji fotonów w materiałach silnie rozpraszających, będącą modyfikacją metody Monte Carlo. Modyfikacja ta polega na zastąpieniu wektorowego opisu kierunku propagacji fotonów poprzez opis macierzowy, co pozwala na około 5% redukcję czasu obliczeń na komputerach z jednopotokowym przetwarzaniem zmiennopozycyjnym lub większą w wypadku wielopotokowego przetwarzania.

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• The finite difference methods of computation of X-rays propagation through a system of many lenses

  Publication

  • P. Wojda
  • S. Kshevetskii

  - Year 2016

  The propagation of X-ray waves through an optical system consisting of many beryllium X-ray refrac- tive lenses is considered. In order to calculate the propagation of electromagnetic in the optical sys- tem, two differential equations are considered. First equation for an electric field of a monochromatic wave and the second equation derived for complex phase of the same electric The propagation of X-ray waves through an optical system...

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• Data Partitioning and Task Management in the Clustered Server Layer of the Volunteer-based Computation System

  Publication

  • J. Kuchta

  - Year 2012

  While the typical volunteer-based distributed computing system focus on the computing performance, the Comcute system was designed especially to keep alive in the emergency situations. This means that designers had to take into account not only performance, but the safety of calculations as well. Quadruple-layered architecture was proposed to separate the untrusted components from the core of the system. The main layer (W) consists...

• Implementation of high-precision computation capabilities into the open-source dynamic simulation framework YADE

  Publication

  • J. Kozicki
  • A. Gladky
  • K. Thoeni

  - COMPUTER PHYSICS COMMUNICATIONS - Year 2022

  This paper deals with the implementation of arbitrary precision calculations into the open-source discrete element framework YADE published under the GPL-2+ free software license. This new capability paves the way for the simulation framework to be used in many new fields such as quantum mechanics. The implementation details and associated gains in the accuracy of the results are discussed. Besides the "standard" double (64 bits)...

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• Greedy Multipoint Model-Order Reduction Technique for Fast Computation of Scattering Parameters of Electromagnetic Systems

  Publication

  • M. Rewieński
  • A. Lamęcki
  • M. Mrozowski

  - IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES - Year 2016

  This paper attempts to develop a new automated multipoint model-order reduction (MOR) technique, based on matching moments of the system input–output function, which would be suited for fast and accurate computation of scattering parameters for electromagnetic (EM) systems over a wide frequency band. To this end, two questions are addressed. Firstly, the cost of the wideband reduced model generation is optimized by automating a...

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• The lipophilicity indices of flavonoids estimated by reversed-phase liquid chromatography using different computation methods

  Publication

  • R. D. Briciu
  • A. Kot-Wasik
  • J. Namieśnik
  • C. Sarbu

  - JOURNAL OF SEPARATION SCIENCE - Year 2009

  Do oceny właściwości chromatograficznych wybranych flawonoidów zastosowano wyskokosprawną chromatografię cieczową z odwróconym układem faz i kolumnami chromatograficznymi typu C-8 i C-18.Lipofilowość wyrażono za pomocą różnych deskryptów lipofilowości.

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• COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION

  Journals

  ISSN: 0361-0918 , eISSN: 1532-4141

• ACM Transactions on Computation Theory

  Journals

  ISSN: 1942-3454 , eISSN: 1942-3462

• International Journal of Mathematics and Computation

  Journals

  ISSN: 0974-5718

• Journal of Applied Analysis and Computation

  Journals

  ISSN: 2156-907X , eISSN: 2158-5644