def _matmul_linear_operator_circulant_circulant(linop_a, linop_b): return linear_operator_circulant.LinearOperatorCirculant( spectrum=linop_a.spectrum * linop_b.spectrum, is_non_singular=registrations_util.combined_non_singular_hint( linop_a, linop_b), is_self_adjoint=registrations_util.combined_commuting_self_adjoint_hint( linop_a, linop_b), is_positive_definite=( registrations_util.combined_commuting_positive_definite_hint( linop_a, linop_b)), is_square=True)
def _matmul_linear_operator_diag(linop_a, linop_b): return linear_operator_diag.LinearOperatorDiag( diag=linop_a.diag * linop_b.diag, is_non_singular=registrations_util.combined_non_singular_hint( linop_a, linop_b), is_self_adjoint=registrations_util.combined_commuting_self_adjoint_hint( linop_a, linop_b), is_positive_definite=( registrations_util.combined_commuting_positive_definite_hint( linop_a, linop_b)), is_square=True)
def _matmul_linear_operator_diag_scaled_identity_left( linop_scaled_identity, linop_diag): return linear_operator_diag.LinearOperatorDiag( diag=linop_diag.diag * linop_scaled_identity.multiplier, is_non_singular=registrations_util.combined_non_singular_hint( linop_diag, linop_scaled_identity), is_self_adjoint=registrations_util.combined_commuting_self_adjoint_hint( linop_diag, linop_scaled_identity), is_positive_definite=( registrations_util.combined_commuting_positive_definite_hint( linop_diag, linop_scaled_identity)), is_square=True)
def _matmul_linear_operator_scaled_identity(linop_a, linop_b): """Matmul of two ScaledIdentity `LinearOperators`.""" return linear_operator_identity.LinearOperatorScaledIdentity( num_rows=linop_a.domain_dimension_tensor(), multiplier=linop_a.multiplier * linop_b.multiplier, is_non_singular=registrations_util.combined_non_singular_hint( linop_a, linop_b), is_self_adjoint=registrations_util.combined_commuting_self_adjoint_hint( linop_a, linop_b), is_positive_definite=( registrations_util.combined_commuting_positive_definite_hint( linop_a, linop_b)), is_square=True)
def _matmul_linear_operator_circulant_circulant(linop_a, linop_b): if not isinstance(linop_a, linop_b.__class__): return _matmul_linear_operator(linop_a, linop_b) return linop_a.__class__( spectrum=linop_a.spectrum * linop_b.spectrum, is_non_singular=registrations_util.combined_non_singular_hint( linop_a, linop_b), is_self_adjoint=registrations_util.combined_commuting_self_adjoint_hint( linop_a, linop_b), is_positive_definite=( registrations_util.combined_commuting_positive_definite_hint( linop_a, linop_b)), is_square=True)