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gmwm (version 2.0.0)

jacobian_arma: Calculates the Jacobian for the ARMA process

Description

Figure out the Jacobian for an ARMA process.

Usage

jacobian_arma(theta, p, q, tau)

Arguments

theta
A vec that contains all the parameter estimates.
p
A int that indicates the number of AR coefficients
q
A int that indicates the number of MA coefficients.
tau
A vec that lists the scales of the process e.g. 2^(1:J)

Value

A mat that returns the numerical jacobian of the ARMA process.