Suchergebnisse - piecewise approximation of complex functions
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Recurrent Algorithms of Structural Classification Analysis for Complex Organized Information
ISSN: 0005-1179, 1608-3032Veröffentlicht: Moscow Pleiades Publishing 01.10.2018Veröffentlicht in Automation and remote control (01.10.2018)“… For the structural classification analysis of complex organized information, we propose to use recurrent algorithms of stochastic approximation type …”
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Medial Meshes - A Compact and Accurate Representation of Medial Axis Transform
ISSN: 1077-2626, 1941-0506, 1941-0506Veröffentlicht: United States IEEE 01.03.2016Veröffentlicht in IEEE transactions on visualization and computer graphics (01.03.2016)“… A medial mesh is a 2D simplicial complex coupled with a radius function that provides a piecewise linear approximation to the medial axis …”
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Optimal approximation of piecewise smooth functions using deep ReLU neural networks
ISSN: 0893-6080, 1879-2782, 1879-2782Veröffentlicht: United States Elsevier Ltd 01.12.2018Veröffentlicht in Neural networks (01.12.2018)“… ) of possibly discontinuous piecewise Cβ functions f:[−12,12]d→R, where the different “smooth regions” of f are separated by C …”
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Optimal Piecewise Linear Function Approximation for GPU-Based Applications
ISSN: 2168-2267, 2168-2275Veröffentlicht: United States IEEE 01.11.2016Veröffentlicht in IEEE transactions on cybernetics (01.11.2016)“… Following this idea, we propose a novel, efficient, and practical technique to evaluate complex and continuous functions using a nearly optimal design of two types of piecewise linear approximations …”
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Flex-SFU: Activation Function Acceleration With Nonuniform Piecewise Approximation
ISSN: 0278-0070, 1937-4151Veröffentlicht: New York IEEE 01.11.2025Veröffentlicht in IEEE transactions on computer-aided design of integrated circuits and systems (01.11.2025)“… Modern deep neural networks (DNN) increasingly use activation functions with computationally complex operations …”
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Optimal power diagrams via function approximation
ISSN: 0010-4485, 1879-2685Veröffentlicht: Amsterdam Elsevier Ltd 01.09.2018Veröffentlicht in Computer aided design (01.09.2018)“… This is done by variationally optimizing the discontinuous piecewise linear approximation of the given functions over power diagrams …”
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Dual-Channel Multiplier for Piecewise-Polynomial Function Evaluation for Low-Power 3-D Graphics
ISSN: 1063-8210, 1557-9999Veröffentlicht: New York IEEE 01.04.2019Veröffentlicht in IEEE transactions on very large scale integration (VLSI) systems (01.04.2019)“… A dual-channel multiplier (DCM) for energy efficient second-order piecewise-polynomial function evaluation for 3-D graphics applications is presented in this paper …”
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Piecewise-Linear Approximations of Multidimensional Functions
ISSN: 0022-3239, 1573-2878Veröffentlicht: Boston Springer US 01.04.2010Veröffentlicht in Journal of optimization theory and applications (01.04.2010)“… We develop explicit, piecewise-linear formulations of functions f ( x ):ℝ n ↦ ℝ, n ≤3, that are defined on an orthogonal grid of vertex points …”
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Integrated production optimization of oil fields with pressure and routing constraints: The Urucu field
ISSN: 0098-1354, 1873-4375Veröffentlicht: Kidlington Elsevier Ltd 15.11.2012Veröffentlicht in Computers & chemical engineering (15.11.2012)“… ► Production optimization for oil fields with complex routing degree of freedom. ► Simplified pressure drop models through multidimensional piecewise-linearization …”
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Sharp formulations of nonconvex piecewise linear functions to solve the economic dispatch problem with valve-point effects
ISSN: 0142-0615, 1879-3517Veröffentlicht: Elsevier Ltd 01.05.2021Veröffentlicht in International journal of electrical power & energy systems (01.05.2021)“… •New mathematical programming techniques to solve the nonconvex ED are proposed.•A new breakpoint assignment method for piecewise linear approximations is presented …”
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Dynamic step selection algorithm for piecewise linear approximation of complex control trajectories
ISSN: 0029-8018, 1873-5258Veröffentlicht: Elsevier Ltd 15.07.2023Veröffentlicht in Ocean engineering (15.07.2023)“… The paper proposes a method for replacing a complex function used as a target for automatic control of unmanned vehicles with a simplified piecewise linear function, which requires much less computing resources …”
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Approximations of n-dimensional fuzzy numbers by using α − β-knots piecewise linear fuzzy n-cell numbers
ISSN: 0165-0114, 1872-6801Veröffentlicht: Elsevier B.V 15.09.2023Veröffentlicht in Fuzzy sets and systems (15.09.2023)“… However, at present, due to the complex structure of n-dimensional fuzzy numbers, there are few investigations about approximations of n-dimensional fuzzy numbers …”
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Approximation of an Arbitrary Function by a Piecewise Constant Function and Number of Theoretical Separation Stages in A Rectification Tower
ISSN: 1062-0125, 1573-871XVeröffentlicht: New York Springer US 01.09.2023Veröffentlicht in Journal of engineering physics and thermophysics (01.09.2023)“… The problem on the minimum number of constancy portions of the scalar step function approximating an arbitrary bounded function was solved …”
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Rendering piecewise approximations of SDFs through analytic intersections
ISSN: 0097-8493Veröffentlicht: Elsevier Ltd 01.08.2024Veröffentlicht in Computers & graphics (01.08.2024)“… Computing these for complex models can be expensive, so one popular approach is to prepare an approximation via sampling and interpolation …”
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OSCA: End-to-End Serial Stochastic Computing Neural Acceleration with Fine-Grained Scaling and Piecewise Activation
ISSN: 1558-2434Veröffentlicht: ACM 27.10.2024Veröffentlicht in Digest of technical papers - IEEE/ACM International Conference on Computer-Aided Design (27.10.2024)“… quantization error and introduces novel segment units for piecewise approximation of complex nonlinear activation functions …”
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Experimental Investigation into the Exergy Loss of a Ground Heat Pump and its Optimization Based on Approximation of Piecewise Linear Functions
ISSN: 1062-0125, 1573-871XVeröffentlicht: New York Springer US 01.01.2022Veröffentlicht in Journal of engineering physics and thermophysics (01.01.2022)“… in structural elements were calculated. A methodological approach to implementing the exergetic method of thermodynamic analysis has been developed on the basis of novel techniques of approximation of piecewise linear functions …”
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Flex-SFU: Accelerating DNN Activation Functions by Non-Uniform Piecewise Approximation
Veröffentlicht: IEEE 09.07.2023Veröffentlicht in 2023 60th ACM/IEEE Design Automation Conference (DAC) (09.07.2023)“… Modern DNN workloads increasingly rely on activation functions consisting of computationally complex operations …”
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Improving Neural Network Efficiency Using Piecewise Linear Approximation of Activation Functions
ISSN: 2334-0754, 2334-0762Veröffentlicht: LibraryPress@UF 14.05.2025Veröffentlicht in Proceedings of the International Florida Artificial Intelligence Research Society Conference (14.05.2025)“… ) and its gradient, can be substantial. In this study, we demonstrate that a piecewise linear approximation of the tanh function, utilizing pre-calculated slopes, achieves faster computation without significant degradation in performance …”
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A Universal Approximation Method and Optimized Hardware Architectures for Arithmetic Functions Based on Stochastic Computing
ISSN: 2169-3536, 2169-3536Veröffentlicht: Piscataway IEEE 01.01.2020Veröffentlicht in IEEE access (01.01.2020)“… In this paper, a novel piecewise approximation method based on Taylor series expansion is proposed for complex arithmetic functions …”
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Distributionally-robust chance-constrained optimization of selective maintenance under uncertain repair duration
ISSN: 0957-4174Veröffentlicht: 01.04.2024Veröffentlicht in Expert systems with applications (01.04.2024)Volltext
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