加速子

对于各子网运算，采用带加速子网运算策略的Cholesky分解法；

To shorten the runtime of computing subnet , we use Cholesky factorization technique with speedup strategy .

为了加速子空间迭代法的收敛速度，作者用Chebyshev多项式来改进原始的子空间迭代法，即讨论Chebyshev迭代法对子空间迭代法的应用，从而给出了Chebyshev-子空间迭代法。

In order to accelerate the convergence rate of the subspace iteration method , the paper improves the subspace iteration original method with the Chebyshev Polynomial , discusses application of the Chebyshev iteration to the subspace iteration method and presents the Chebyshev subspace iteration method .

讨论了大型结构动态分析中求解特征值问题的一种有效方法&加速子空间迭代法。

Accelerated subspace iteration , an effective method for eigenvalue problems of large structure is discussed .

用Chebyshev多项式加速的子空间迭代法

Subspace Iteration Accelerated by Using Chebyshev Polynomials

数值试验结果表明用Chebyshev多项式与预处理技术加速的子空间迭代法比原始子空间迭代法优越。数值结果证实了我们的猜测。

Our numerical results show that the accelerated subspace iteration method by using Chebyshev polynomials and the preconditioning subspace iteration method are superior to the original subspace iteration method .

为了进一步加速多层快速多极子算法求解电大尺寸目标电磁散射，提出了一种基于局部耦合技术计算矩阵矢量相乘的多层快速多极子方法。

To further speed up the solution of scattering from three dimensional electrically large object by multilevel fast multipole algorithm ( MLFMA ), a local multilevel fast multipole algorithm ( LMLFMA ) based on local interactions is proposed to evaluate matrix-vector multiplication .