关于隐式LU分解算法分解算法求矩阵主子阵逆的注记（英）

A Remark on the Inverse of Principal Matrices by Implicit LU Factorization

英文关键词:inverting matrix  principal submatrix  symmetric strongly nonsingular matrix  implicit LU factorization algorithm.

中文摘要:

      

英文摘要:

      We prove the inverting formular of the principal submatrix on a symmetric strongly nonsingular matrix by the implicit LU factorization algorithm.