dagma.linear.DagmaLinear._h¶

dagma.linear.DagmaLinear._h(W: numpy.ndarray, s: float = 1.0) → tuple[float, numpy.ndarray]¶

Evaluate value and gradient of the logdet acyclicity constraint.

Parameters:¶

W : np.ndarray¶

\((d,d)\) adjacency matrix

s : float, optional¶

Controls the domain of M-matrices. Defaults to 1.0.

Returns:¶

h value, and gradient of h

Return type:¶

Tuple[float, np.ndarray]