[Mne_analysis] correlation based subspace intersection calculation

[Eric Larson]

Hey Dan,

As part of Google Summer of Code, Mark Wronkiewicz spent a good bit of time
implementing Maxwell filtering w/tSSS in MNE with a decent number of
comments. Can you see if the code + comments for _overlap_projector (and
_do_tSSS, which calls _overlap_projector) help explain it a bit?

https://github.com/mne-tools/mne-python/blob/master/mne/preprocessing/maxwell.py#L1459

Eric


On Sun, Feb 5, 2017 at 4:05 PM, Dan Howarth <d.c.howarth at gmail.com> wrote:

> Hello,
>
> I am trying to understand how tSSS (max filter) uses the st_correlation
> parameter. I understand that it is a parameter to an algorithm that
> computes the intersection of two subspaces. However, in the tSSS paper they
> just give a reference to a big matrix computation book. Does anyone know
> what the interesction method is called that uses the correlation parameter?
>
> I've attached the part of the tSSS paper that corresponds to what I'm
> talking about.
>
> Thanks,
> Dan Howarth
>
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