Search Results - Two-grid preconditions conjugate gradient algorithm

Analysis of a multigrid preconditioner for Crouzeix-Raviart discretization of elliptic partial differential equation with jumpcoefficients by Zhu, Yunrong

“… We showed that the convergence rates of the (multiplicative) two-grid and multigrid V-cycle algorithms will deteriorate rapidly because of large jumps in coefficient…”
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Analysis of a multigrid preconditioner for Crouzeix-Raviart discretization of elliptic partial differential equation with jump coefficients by Zhu, Yunrong

“… We showed that the convergence rates of the (multiplicative) two‐grid and multigrid V‐cycle algorithms will deteriorate rapidly because of large jumps in coefficient…”
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Steepest Descent and Conjugate Gradient Methods with Variable Preconditioning by Knyazev, Andrew V., Lashuk, Ilya

“…We analyze the conjugate gradient (CG) method with variable preconditioning for solving a linear system with a real symmetric positive definite (SPD…”
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An efficient algorithm for the Schrödinger–Poisson eigenvalue problem by Chang, S.-L., Chien, C.-S., Jeng, B.-W.

“…We present a new implementation of the two-grid method for computing extremum eigenpairs of self-adjoint partial differential operators with periodic boundary conditions…”
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Wavelet Filtering for Exact Controllability of the Wave Equation by Negreanu, M., Matache, A.‐M., Schwab, C.

“… The algorithm for the numerical construction of the controls is based on a conjugate gradient method proposed by Glowinski [J. Comput. Phys., 103 (1992), pp. 189-221…”
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