The remainder of the paper is organized as follows. In Section 2,
we review the analytical steps in solving (1a) based on the method
of characteristics. In Section 3, we review briefly our related
previous work based on Taylor expansion and give an insight into
the corresponding convergence issues. The generalizing ideas are
presented in Section 4, while the least square application and
related numerical techniques are discussed in Sections 5 and 6,
respectively. The usability of our approach is illustrated on
univariate and bivariate batch crystallization processes with sizedependent
growth rate kinetics in Section 7. Additionally, we
provide a numerical comparison to QMOM and HRFV schemes in
terms of accuracy using various numerical scenarios. The utilized
nomenclature is given in Table 1.