Regression software for ship manoeuvring models. Sub report 3. Regstatx 4.0. Theoretical background

This report provides a theoretical background for the in house developed software package Regstatx 4.0. Emphasis is put on the test selection process, the relationship with ODRPack 5.0 and the formulation of the 6 DOF tabular open water manoeuvring mathematical models, including assumptions, from towing tank to ship manoeuvring simulator.