LU factoring of non-invertible matrices
LU factoring of non-invertible matrices
复制标题
不可逆矩阵的 LU 因式分解
DOI:
10.1145/1838599.1838602
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
David J. Jeffrey
中科院分区:
文献类型:
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作者:
David J. Jeffrey
The definition of the LU factoring of a matrix usually requires that the matrix be invertible. Current software systems have extended the definition to non-square and rank-deficient matrices, but each has chosen a different extension. Two new extensions, both of which could serve as useful standards, are proposed here: the first combines LU factoring with full-rank factoring, and the second extension combines full-rank factoring with fraction-free methods. Amongst other applications, the extension to full-rank, fraction-free factoring is the basis for a fractionfree computation of the Moore-Penrose inverse.
DOI:
10.1201/9781420010572
发表时间:
2006-11
期刊:
--
影响因子:
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作者:
L. Hogben
通讯作者:
L. Hogben