computational complexity of eig and pinv

2 ビュー (過去 30 日間)

Ina 2011 年 6 月 27 日

コメント済み: Walter Roberson 2016 年 10 月 30 日

Hi,

I was wondering if anyone knew where to look up expressions for the computational complexity of these 2 matlab functions: eig and pinv.

Thank you in advance, Ina

Luca Fenzi 2016 年 10 月 30 日

The computational cost of eig should be O(N^3) with N dimension of the matrix

Walter Roberson 2016 年 10 月 30 日

If I recall, in theory it could be a little better, closer to N^e -- but I have no idea which of the optimizations are implemented.

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