Description Usage Arguments Details Value Author(s) References
This function vectorizes sample covariance matrices with the formulation presented by
1 | vect(x)
|
x |
a numeric matrix. |
This type of vectorization takes the upper triangular part of a matrix, multiplying the non-diagonal elements with an appropriate weight. For more details see References.
It returns the vectorized form of the input matrix.
Laura Masiero, email: laura.masiero.10@gmail.com
Barachant, Alexandre, Stéphane Bonnet, Marco Congedo e Christian Jutten (2013). "Classification of covariance matrices using a Riemannian-based kernel for BCI applications". In: Neurocomputing. issn: 09252312. doi: 10.1016/j.neucom.2012.12.039.
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