pyriemann.utils.distance.distance_harmonic¶
- pyriemann.utils.distance.distance_harmonic(A, B, squared=False)¶
Harmonic distance between invertible matrices.
The harmonic distance between two invertible matrices \(\mathbf{A}\) and \(\mathbf{B}\) 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.
- squaredbool, default False
Return squared distance.
Added in version 0.5.
- Returns:
- dfloat or ndarray, shape (…,)
Harmonic distance between A and B.
See also