This book is the third volume of a three-part textbook suitable for both graduate coursework and professional engineering research reference alike. Volume III focuses on time-dependent problems symmetric positive systems first-order PDEs called Friedrichs' systems.

In order to study the effects of salinity levels of the irrigation water resulted from the sugarcane field drainage which contained mineral salt (NaCl), four salinity levels (0, 3, 6, 9 ds.m-1) and sugarcane genotypes (C4, C5,C3, CP48-103, C2, CP57-614, CP69-1062) in a potted plant were examined. It was a factorial experiment in randomized complete block design with three replications which was...