pyriemann.utils.distance.distance_harmonic¶
- pyriemann.utils.distance.distance_harmonic(A, B)¶
Harmonic distance between invertible matrices.
The harmonic distance between two invertible matrices A and B is:
\[d(\mathbf{A},\mathbf{B}) = \Vert \mathbf{A}^{-1} - \mathbf{B}^{-1} \Vert_F\]- Parameters
- Andarray, shape (…, n, n)
First invertible matrices, at least 2D ndarray.
- Bndarray, shape (…, n, n)
Second invertible matrices, same dimensions as A.
- Returns
- dndarray, shape (…,) or float
Harmonic distance between A and B.