[Eeglablist] A theoretical problem regarding Common Spatial Patterns

[Mikołaj Magnuski]

Hi Seyed,

you could also try asking at the mne-python mailing list. mne-python has an
implementation of CSP (
http://martinos.org/mne/dev/generated/mne.decoding.CSP.html) and other
decoding approaches so probably someone there can answer your questions.
12 maj 2016 07:43 "Seyed Mohammad Reza Shahshahni" <
smr.shahshahani at gmail.com> napisał(a):

> Hi.
> So there is no other meaning for it? Just something that provides us with
> a mathematical framework for simultaneouse diagonalization of the
> covariance matrices of two different classes.
> Best,
> Reza
>
> On Wed, May 11, 2016 at 12:10 AM, Ignatius S. Condro Atmawan B. <
> saptocondro at googlemail.com> wrote:
>
>> Hallo Reza,
>>
>> The composite matrix helps normalize and orthogonalize both covariance
>> matrices.
>>
>> Best,
>>
>> Condro
>> On 9 May 2016 22:59, "Seyed Mohammad Reza Shahshahni" <
>> smr.shahshahani at gmail.com> wrote:
>>
>>> Dear all members
>>>
>>> I have a non-EEGLAB issue, a theoretical one.
>>>
>>> Since the very first paper regarding CSP, everybody has mentioned almost
>>> the same theoretical description of the computation process of CSP's. But I
>>> have a question I have not been able to get answers in none of those papers.
>>>
>>> In the process it said that we should make a composite covariance matrix
>>> out of the two covariance matrices related to two different classes.
>>>
>>> Is this done just because of what comes next, or is there any other
>>> description for it? I mean are there any explanations for what a composite
>>> covariance matrix shows?
>>>
>>> Thanks.
>>> Reza M. Shahshahani
>>>
>>>
>>>
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>
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