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。

A new algorithm of solving block tridiagonal systems is proposed, which is based on the special factorization of block tridiagonal matrix.

youdao

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。

A new algorithm of solving circulant block tridiagonal systems is proposed, which is based on the special factorization of circulant block tridiagonal matrix.

youdao

针对循环或者拟循环三对角方程组，仿照追赶法的思想，给出了一种求解这两类方程组的追赶算法。

Based on the idea of chasing method, a new algorithm is developed to solving the circular and quasi-circular tridiagonal systems in this paper.

youdao