Differential of Matrix Exponential Map

Source: R/other_utils.R

Computes the differential of the matrix exponential map located at a point a, evaluated at x

dexp(a, x)

Arguments

a

A symmetric matrix of class dspMatrix

x

A symmetric matrix representing tangent vector of class dspMatrix

Value

A positive definite symmetric matrix representing the differential located at a and evaluated at x, of class dppMatrix