Changes between Version 1 and Version 2 of GB12301/2013-06-11


Ignore:
Timestamp:
06/11/2013 09:49:45 AM (11 years ago)
Author:
chris
Comment:

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  • GB12301/2013-06-11

    v1 v2  
    2626* P,,ij,,^-1^(α) = P,,ij,,(-α) = I - αe,,i,,e,,j,,^T^
    2727* P,,i'j,,(α')P,,ij,,(α) = I + (αe,,i,, + α'e,,i',,)e,,j,,^T^
     28
     29実際にLU分解を行うときには、行列P,,ij,,(α)をAにかけるような計算は計算が遅いためしない。代わりに、行どうしの消去の計算を行う。
     30
     31参考文献:
     32http://www.math.meiji.ac.jp/~mk/lecture/suurikaisekitokuron/gauss-elimination.pdf