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Stan Math Library
5.1.0
Automatic Differentiation
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The derivative of the log likelihood wrt theta
evaluated at the mode.
Compute $s_2 = \Delta_{\theta} log \pi_G(y|\phi,\eta) = -\frac{1}{2} trace((K^{-1}+W)^{-1})$
Args
contains var types then their adjoints will be calculated as a side effect. F | A functor with opertor()(Args&&...) returning a scalar |
Theta | An Eigen Matrix |
AMat | An Eigen Matrix |
Stream | Type of stream for messages. |
Args | Type of variadic arguments for likelihood function. |
f | Log likelihood function. |
theta | Latent Gaussian variable. |
A | Matrix storing initial tangents for higher-order differentiation (line 21 in Algorithm 4, https://arxiv.org/pdf/2306.14976) |
hessian_block_size | If the Hessian of the log likelihood w.r.t theta is block diagonal, size of each block. |
msgs | Stream for messages. |
args | Variational arguments for likelihood function. |
Definition at line 212 of file laplace_likelihood.hpp.