block matrix factorization

基本解釋

A new algorithm of solving block tridiagonal systems is proposed, which is based on the special factorization of block tridiagonal matrix.
根據(jù)塊三對(duì)角矩陣的特殊分解，給出了求解塊三對(duì)角方程組的新算法。
A new algorithm of solving circulant block tridiagonal systems is proposed, which is based on the special factorization of circulant block tridiagonal matrix.
本文根據(jù)分塊循環(huán)三對(duì)角矩陣的特殊分解，給出了求解分塊循環(huán)三對(duì)角方程組的一種新算法。
It can avoid approximate factorization or block-bidiagonal matrix, and has obvious superiority in enhancing accuracy, lessening amount of calculation, improving stability.
該方法避開(kāi)了近似因子分解及矩陣運(yùn)算，具有精度高、穩(wěn)定性好、計(jì)算量少等優(yōu)點(diǎn)。