Výsledky vyhledávání - "preconditioned conjugate gradient algorithm"

A dimensionality-reduction genomic prediction method without direct inverse of the genomic relationship matrix for large genomic data Autor Liu, Hailan, Yu, Shizhou

“…Key message A new genomic prediction method (RHPP) was developed via combining randomized Haseman–Elston regression (RHE-reg), PCR based on genomic information…”
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Three-Dimensional Joint Inversion of Borehole and Surface Magnetic Data of the Cangyi Iron Mine, Shandong Province (East China) Autor Zhang, Jiantai, Cao, Hecai, Zhu, Chenghe, Jian, Xiange, Sun, Yongsheng, Li, Yu, Guo, Changsheng, Yuan, Liwei, Yu, Lei, Du, Xianfu

“…The Cangyi iron ore belt is a geologically significant sedimentary-metamorphic iron ore belt in China. The transition from open-pit mining to underground…”
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A multi-GPU parallel optimization model for the preconditioned conjugate gradient algorithm Autor Gao, Jiaquan, Zhou, Yuanshen, He, Guixia, Xia, Yifei

“…•An adaptive optimization model for the PCG algorithm on multiple GPUs is proposed.•A performance estimation method is proposed to accurately estimate the…”
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An improved Dai–Kou conjugate gradient algorithm for unconstrained optimization Autor Liu, Zexian, Liu, Hongwei, Dai, Yu-Hong

“…It is gradually accepted that the loss of orthogonality of the gradients in a conjugate gradient algorithm may decelerate the convergence rate to some extent…”
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Technical note: A successive over-relaxation preconditioner to solve mixed model equations for genetic evaluation Autor Meyer, K

“…A computationally efficient preconditioned conjugate gradient algorithm with a symmetric successive over-relaxation (SSOR) preconditioner for the iterative…”
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pGRASS-Solver: A Parallel Iterative Solver for Scalable Power Grid Analysis Based on Graph Spectral Sparsification Autor Liu, Zhiqiang, Yu, Wenjian

“…Due to the rapid advance of the integrated circuit technology, power grid analysis usually imposes a severe computational challenge, where linear equations…”
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DenInv3D: a geophysical software for three-dimensional density inversion of gravity field data Autor Tian, Yu, Ke, Xiaoping, Wang, Yong

“…This paper presents a three-dimensional density inversion software called DenInv3D that operates on gravity and gravity gradient data. The software performs…”
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A fast parallel Poisson solver on irregular domains applied to beam dynamics simulations Autor Adelmann, A., Arbenz, P., Ineichen, Y.

“…We discuss the scalable parallel solution of the Poisson equation within a Particle-In-Cell (PIC) code for the simulation of electron beams in particle…”
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Exact boundary controllability of the second-order Maxwell system: Theory and numerical simulation Autor Darbas, M., Goubet, O., Lohrengel, S.

“…The exact controllability of the second order time-dependent Maxwell equations for the electric field is addressed through the Hilbert Uniqueness Method. A…”
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Seismic fluid identification using a nonlinear elastic impedance inversion method based on a fast Markov chain Monte Carlo method Autor Zhang, Guang-Zhi, Pan, Xin-Peng, Li, Zhen-Zhen, Sun, Chang-Lu, Yin, Xing-Yao

“…Elastic impedance inversion with high efficiency and high stability has become one of the main directions of seismic pre-stack inversion. The nonlinear elastic…”
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CUDA-based solver for large-scale groundwater flow simulation Autor Ji, Xiaohui, Cheng, Tangpei, Wang, Qun

“…This article presents a parallel simulation solver for groundwater flow on CUDA. Preconditioned conjugate gradient (PCG) algorithm is used to solve the large…”
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Multiplicative Schwarz algorithms for the p-version Galerkin boundary element method in 3D Autor Maischak, Matthias

“…We study a 2-level multiplicative Schwarz method for the p version Galerkin boundary element method for a weakly singular integral equation of the first kind…”
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On the Complexity of the Preconditioned Conjugate Gradient Algorithm for Solving Toeplitz Systems with a Fisher--Hartwig Singularity Autor Lu, Yi, Hurvich, Clifford M.

“…The Toeplitz matrix $T_n$ with generating function $f ( \omega ) = |1 - e ^{-i \omega}|^{-2d} h( \omega )$, where $d \in (-\frac{1}{2}, \frac{1}{2})\setminus…”
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Solving large-scale three-dimensional heat equations on CUDA Autor Xiaohui Ji, Tangpei Cheng, Dandan Li, Qun Wang

“…Heat equation is the model of many real-world simulation problems. This paper presents a method for solving large-scale three-dimensional heat equation on…”
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Sparse Proximal Support Vector Machine with a Specialized Interior-Point Method Autor Bai, Yan-Qin, Zhu, Zhao-Ying, Yan, Wen-Li

“…Support vector machine (SVM) is a widely used method for classification. Proximal support vector machine (PSVM) is an extension of SVM and a promising method…”
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