...梯度法;预处理器 [gap=5532]differentialequation;steepestdecentmethod;preconditionedconjugategradientmethod;preconditioner ...
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...a restricted additive schwarz preconditioner for general sparse linear systems-受限制的加性Schwarz预条件一般的稀疏线性系统-知来论文发表中心 Key words.
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constraint preconditioner 约束型预处理子
preconditioner technique 预条件技术
ILUT preconditioner ILUT预处理
Polynomial preconditioner 多项式预优子
interface preconditioner 界面预条件子
multigrid preconditioner 多重网格预条件
A new across-diagonalized preconditioner space based on Sine transform is proposed, and it is proved that the existing diagonalized preconditioner space based on Sine transform is its sub-space.
给出了基于正弦变换的交叉对角化预条件矩阵的构造空间，证明了已有正弦变换基预条件矩阵的构造空间是新的构造空间的子空间。
参考来源 - Toeplitz系统的高效预处理技术和分布式并行算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
An efficient preconditioner is derived from the multigrid stiffness matrix.
一个高效的预条件子是来自多重网格刚度矩阵。
In the second chapter, we present an additive Schwarz preconditioner for the rotated Q_1 finite element discretization of second order elliptic problem.
我们在第二章中构造了求解用旋转Q_1有限元离散椭圆型偏微分方程的区域分解方法。
Some preconditioner technique is also studied to improve the condition number and further accelerate iterations, comparisons are made between them by numerical results.
本文还研究了几种预条件技术，用于改善算子的条件数，进一步加速迭代，同时用数值结果对比了各自的优劣。
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