skfolio.utils.stats.symmetric_step_up_matrix# skfolio.utils.stats.symmetric_step_up_matrix(n1, n2)[source]# Compute the Symmetric step-up matrix M such that M @ np.ones(n2) = np.ones(n1). Parameters: n1intFirst dimension. n2intSecond dimension. Returns: mndarray of shape (n1, n2)The Symmetric step-up matrix.