LU factorization LU
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【计】LU分解法
双语例句
- A new way for LU-SGS approximate factorization deducing is proposed.
在LU近似因式分解的过程中，本文采用了一种新的推导方式。 - The traditional methods are to solve the linear algebra equations directly, based on matrix factorization such as LU decomposition.
解线性代数方程组的传统方法是利用LU分解等直接求解，虽然传统方法具有理论上直接得到真解的优点，但当系数矩阵条件数很大时，存在严重的稳定性问题。 - The investigation is based on three methods: the twisted factorization 、 LU factorization of tridiagonal matrix and expression the block inverse matrix with four block column vectors. And then three simple algorithms are derived.
分别基于块三对角矩阵的绞形分解、块LU分解和基于用四个分块的列向量表示块逆矩阵三种方法进行了研究，得到三个简单算法。