[PDF] Top 20 An aggregation-based algebraic multigrid method
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An aggregation-based algebraic multigrid method
... An algebraic multigrid method is presented to solve large systems of linear ...by aggregation of the unknowns. The aggregation scheme uses two passes of a pairwise matching algorithm ... See full document
24
Multigrid Method for Linear Complementarity Problem and Its Implementation on GPU
... geometric multigrid method with the PSOR method as smoother which runs efficiently on ...is based on matrix coloring and works well with sparse ...level-set method in image ...with ... See full document
5
Analysis of an aggregation‐based algebraic two‐grid method for a rotated anisotropic diffusion problem
... that based its choices on the minimum value of µ (k) D did not switch to box aggregates until ǫ = ...0.5. Based on these results, it might have done better to switch ...that based its aggregate ... See full document
26
An algebraic multigrid method for high order time discretizations of the div grad and the curl curl equations
... an algebraic multigrid algorithm for fully coupled implicit Runge- Kutta and Boundary Value Method time discretizations of the div-grad and curl- curl ...a multigrid hierarchy derived from the ... See full document
19
Research on Aggregations for Algebraic Multigrid Preconditioning Methods
... new method based on cliques and several classical aggregations are implemented based on sparse data structures, and compared in solving sparse linear systems from model partial differential ... See full document
10
Multigrid One Shot Method for PDE Constrained Optimization Problems
... well-known, multigrid methods are iterative methods for solving system of algebraic equations, which results, for example, after discretization of ...the method. Pioneering works, theories and ... See full document
7
Three dimensional elliptic solvers for interface problems and applications
... An algebraic multigrid solver is applied to solve the discrete ...second method is designed for interface problems with piecewise constant ...The method is based on the fast immersed ... See full document
32
Multigrid method based on transformation free high order scheme for solving 2D Helmholtz equation on nonuniform grids
... spectral-element method, but the limitations of these methods are of high computa- tional cost ...large algebraic systems arising from high-order difference schemes for PDEs is more ...attractive. ... See full document
16
An Operator Smoothing with ILU(0) for Aggregation based Algebraic Multigrid
... technique based on ILU (0) to smooth the coefficient matrices on each level for the aggregation based multigrid ...modified aggregation based multigrid is superior to the ... See full document
7
Parallel Implementation of the Coordinates partitioning Based Aggregation type Algebraic Multigrid Preconditioners
... famous aggregation scheme is based on the concept of strong connection, where two end-points of the edge with maximum weight are aggregated into a coarse point ...provided based on concentrating ... See full document
9
An aggregation-based domain decomposition preconditioner for groundwater flow
... Schwarz method [4, 5, 18]. Its novel feature is the use of aggregation ideas from algebraic multigrid [1, 22] and bal- ancing Neumann-Neumann methods [13–15] to construct the coarse ...of ... See full document
13
Feature selection with acquisition cost for optimizing sensor system design
... cost based on aggregation method, in particular employing and comparing two techniques from evolutionary computation, ...periments, based on benchmark data (iris data) and more re- alistic eye ... See full document
7
Fraud Detecting and Preventing In Apps Using Optimization Based Aggregation Method
... ranking based evidences, rating based evidences and review based evidences, by modeling Apps’ ranking, rating and review behaviors through statistical hypotheses ...optimization based ... See full document
6
A two-level aggregation-based newton-Krylov-Schwarz method for hydrology
... [r] ... See full document
7
Multigrid Method for the Numerical Solution of the Modified Equal Width Wave Equation
... the multigrid method up to t = 20 ...present method with those obtained by other methods [13] [19] [21] ...present method are smaller than the other ... See full document
8
Adaptive metric-based multigrid for a Poisson problem with discontinuous coefficients*,, **
... Multigrid methods (MG) are solution algorithms in which the iterative convergence to discrete solution is accelerated by means of a set of coarser approximations typically from a just twice coarser level to a ... See full document
10
Section 6 - Algebra
... The method used to add and subtract algebraic fractions is similar to adding and subtraction fractions... Simplify each of the following algebraic fractions... a.. [r] ... See full document
92
Nonlinear Algebraic Systems with Three Unknown Variables
... the method of determining the conditions on the coefficients of algebraic systems to establish the number of solutions of the algebraic system of equations, when an unknowns part in the system as ... See full document
6
Multigrid Solution of the Debye-Hückel Equation
... of multigrid methods, and devised a new inter- polation method to handle coefficients with sharp changes in the gradient of the dielectric coefficient and the Debye parameter of the Debye-H¨ uckel ... See full document
114
Optimal integrated passive/active design of the suspension system using iteration on the Lyapunov equations
... nonlinear algebraic Riccati equation due to the active parameters and some associated additional Lyapunov equations due to the passive ...nonlinear algebraic Riccati equation, it is proposed to consider an ... See full document
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