Appendix D
Formula Derivation in Chapter 7
The derivation of Eq. (7.11) is as follows:
(D.1)
Thus,
(D.2)
Using Eqs. (7.5) and (7.8), the gradient above can be written as
(D.3)
The derivation of Eq. (7.20) is as follows:
(D.4)
Thus,
(D.5)
Using Eqs. (7.8) and (7.18), the gradient above can be written as
(D.6)