vk_fun.prime: Another function for newton update of V This function...

In yuanfang90/LNMVGA: Cluster microbiome / compositional data using a mixture of logistic-normal multinomial models

Another function for newton update of V This function calculate the second derivative of the elbo with respect to V for it's kth diagonal element.

Description

Another function for newton update of V This function calculate the second derivative of the elbo with respect to V for it's kth diagonal element.

Usage

vk_fun.prime(x, iSig_kk, m_k, M, xi)

Arguments

x	kth diagonal element of V, variable of this function
iSig_kk	k-th diagonal element of the (generalized) inverse variance parameter for the latent Gaussian variable.
m_k	kth element of variational parameter m.
M	sum of counts in K taxa for one observation.
xi	variational parameter xi, vector of n.

Examples

vk_fun.prime()

yuanfang90/LNMVGA documentation built on Jan. 29, 2024, 8:24 a.m.