A new algorithm of solving block tridiagonal systems is proposed, which is based on the special factorization of block tridiagonal matrix.
根据块三对角矩阵的特殊分解，给出了求解块三对角方程组的新算法。
Subdividing one large block into smaller subunits that can be handled more conveniently, e. g., partitioning a matrix.
把一个大的数据块(例如一个矩阵)划分为若干较小的子单元块以便于处理的过程。
It is proved that the stiffness matrix of the finite element solution is a block diagonal matrix and its elements are some symmetric and block circulant submatrices.
证明了有限元求解的刚度矩阵是一个块对角阵，且其子矩阵是某种对称、块循环矩阵。
A new algorithm of solving circulant block tridiagonal systems is proposed, which is based on the special factorization of circulant block tridiagonal matrix.
本文根据分块循环三对角矩阵的特殊分解，给出了求解分块循环三对角方程组的一种新算法。
In addition we present a new column partition strategy, based on the estimate of column-dependence of each block, to divide the coefficient matrix a.
另外还提出一种新的对系数矩阵a分块的列分解策略，该策略基于每块的列相关性估计而得出。
This paper proposes a matrix based substitution permutation network as the model of block cipher.
论文提出了一种基于矩阵的代替置换网络模型。
We introduced the concept of block directed edge cover diagonal quasi dominant matrix, obtained a new nonsingularity criteria for matrices and distribution theorem on eigenvalues of matrix.
引进了拟块有向边覆盖对角占优矩阵概念，给出了新的矩阵非奇异判定定理和特征值分布定理。
This paper introduces a completely nonsingular matrix based substitution permutation network that can effectively improve the performance of the block cipher against linear cryptanalysis.
论文介绍了一种基于全非奇异矩阵的代替置换网络，它可有效的提高分组密码抗线性密码分析的能力。
A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.
设计了一种新的分组密码算法，该算法利用矩阵乘法的扩散作用与专门设计的一种矩阵运算的混乱作用实现对信息的加密。
Based on the block bordered diagonal matrix structure, this paper presents a new discrete decomposition algorithm for the reactive-power optimization in a multi-area power system.
基于对角加边矩阵结构，提出了一种新的多区域电力系统离散无功优化分解算法。
Low Density parity check (LDPC) codes are a kind of linear block codes approaching Shannon limit. They can be constructed either with spare parity-check matrix or with factor graphs.
LDPC码是一种可以接近香农限的线性分组码，可通过稀疏奇偶校验矩阵来构造，也可以用因子图来构成。
The factors influencing matrix block recovery can not change the fact that a large amount of remaining oil is left in the pore and throat space.
随着底水驱替速率增加，水沿着阻力最小的大型裂缝迅速突破，各种影响基质岩块采出程度的因素，都改变不了剩余油大量滞留于这部分孔喉空间的事实。
The geometrical movement of the swaying block of the matrix is analyzed. The corresponding die structure has been designed. It can serve as a reference for forming similar parts.
分析了凹模摆块机构的几何运动，设计了相应的弯曲模结构，可为类似零件的成形提供参考。
This paper is devoted to the gaining of a formula for calculating the generalized inverse of the block matrix which has a special shape and discussing its application in survey adjustment.
本文推导了一种特殊形式的广义逆分块计算公式，并探讨了它在测量平差中的初步应用。
Provided are compositions comprising a polymeric matrix; a plurality of fillers; and a block copolymer wherein at least one segment of the block copolymer interacts with the fillers.
本发明提供含有聚合物基体、多种填料、以及嵌段共聚物的组 合物，其中该嵌段共聚物的至少一个链段与该填料相互作用。
A new joint detection algorithm based on block is developed. Matrix is divided into several blocks to decrease the complexity.
本文提出了一种新的分块联合检测算法，将需要运算的矩阵进行分块处理，以降低运算量。
A new joint detection algorithm based on block is developed. Matrix is divided into several blocks to decrease the complexity.
本文提出了一种新的分块联合检测算法，将需要运算的矩阵进行分块处理，以降低运算量。
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