Preferred citation style for this presentation

摘要: 1 Preferred citation style for this presentation Assignment and route choice: Similarities and differences Page 1 1 1 Preferred citation style for this presentation Axhausen, KW (2002) Assignment and route choice: Differences and Similarities, PTV User Seminar, Karlsruhe, September 2002. Assignment and route choice: Similarities and differences KW Axhausen IVT ETH Zürich September 2002 Page 2 2 3 What do we do today ? Demand Distribution of demand across the network q(t,i,j,m) k(t,r,m) ~ q(t,r,m) 4 What is the task at hand ? Distribution of demand between two locations onto the possible and sensible routes: • Identification of all sensible routes • Calculation of generalised costs as a function of route demands • Selection of the approach used to allocate demand between routes Page 3 3 5 What are the differences ? User equilibrium is normative, ie the solution of a mathematical programme : User equilibrium: • …