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Precision problem with matrix inversion
07-15-2015, 07:15 AM (This post was last modified: 07-15-2015 07:15 AM by Paul Dale.)
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Paul Dale Offline
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RE: Precision problem with matrix inversion
(07-15-2015 04:59 AM)cyrille de brébisson Wrote:  - n^3 (not n^4) and memory constraint

Just wondering how you get a O(n4) matrix inversion algorithm? All the ones I know about are O(n3). Even the more stable ones. Gaussian elimination and the common LU decompositions are O(n3). I believe that there are more efficient algorithms.


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RE: Precision problem with matrix inversion - Paul Dale - 07-15-2015 07:15 AM



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