pyriemann.geometry.test.is_herm_pos_def

pyriemann.geometry.test.is_herm_pos_def(X, tol=0.0)

Check if all matrices are Hermitian positive-definite (HPD).

Parameters:

Xndarray, shape (…, n, n)

The set of square matrices.

tolfloat, default=0.0

Threshold below which eigen values are considered zero.

Added in version 0.5.

Returns:

retbool

True if all matrices are Hermitian positive-definite.

Notes

Added in version 0.4.

Changed in version 0.5: Add parameter tol.