block circulant matrix [计] 块循环矩阵 ; 分块循环矩阵
block circulant approximation 分组循环近似法
symmetric r-block circulant matrix 对称r循环分块矩阵
block-circulant 分块循环
block circulant matrices 块循环矩阵
r-block circulant matrix r循环分块矩阵
orthogonal block circulant matrix 正交块循环矩阵
The new method of making up Orthogonal Block Circulant Matrix systematically by Paraunitary Matrix is also presented.
分析正交块循环矩阵特性后，介绍了基于类单位矩阵的系统化构造正交块循环矩阵的方法。
A concept of symmetric diagonal A-factor block circulant matrices and some of their prop- crtics are given, the main theorems are extended.
给出了对称对角A-因子循环分块矩阵的概念，讨论了它的一些性质，推广了几个主要定理．。
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。
应用推荐