[Eeglablist] How phase is calculated in linear decomposition

[Makoto Miyakoshi]

Dear Robert and list,

If I remember correctly, one of the critical issue was how phase changes in
'channel data' after removing independent components. Let me focus on this
point only.

1. To show my rebuttal and mathematical proof, I prepared a wiki page. In
this page. I described how a phase is split/synthesized before and after
linear decomposition. Note that this applies to any linear decomposition
and not specific to ICA. In doing so, made it nice and educational to show
my respect to Arno's effort. Hopefully this mathematical clarification
helps.


https://sccn.ucsd.edu/wiki/How_phase_is_calculated_in_linear_decomposition

Robert, if you do not agree,* please show the right process in a form of
math*.

2. Apart from this scientific/mathematical dispute, I insist that one
should not use the word 'distortion' in this context because it includes
subjective judgement.

Makoto



-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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