What is the Computational Complexity of Independent Component Analysis (ICA) ?

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Can anyone tell me that the range of computational complexity of different ICA algorithms (e.g. FastICA or Infomax or SOBI) in terms of O(K and N) where K is the no. of observations (variables) and N is the no. of samples.
Any reference/link or any suggestion is highly appreciated!
Thank you very much!

Answers (1)

Krishna Prasad
Krishna Prasad on 11 Feb 2024
O(n^2),

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