◆ a

template<typename ThetaVec , typename WR , typename L_t , typename A_vec , typename ThetaGrad , typename LU_t , typename KRoot >

A_vec stan::math::internal::laplace_density_estimates< ThetaVec, WR, L_t, A_vec, ThetaGrad, LU_t, KRoot >::a

Mode in the a parameterization, where theta = covariance * a.

Equivalently, a = covariance^{-1} * theta when the inverse exists.