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Error in formula?

[edit]

The cited paper I ("Independent component analysis: Algorithms and applications") includes the following formula:

This formula seems to me to be in error ( is a column vector; the dimensions don't work out). The current version of the article has this formula:

I believe this is also in error (the first term is transposed relative to the second term). I believe the correct version, as implemented in [scikit-learn's implementation of FastICA] is as follows:

Does this seem right? Can I cite the source code as a reference to update the formula? rdl381 (talk) 15:59, 19 January 2024 (UTC)[reply]