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Mathematical Problems in Engineering back issues
Modeling and Algorithms of the Crew Rostering Problem with Given Cycle on High-Speed Railway Lines
September 1, 2012... 1. Introduction Crew planning problem is known as crew scheduling and rostering in the transportation market-airlines, railways, mass transit, and buses. The common features for all these applications are: (i) both temporal and spatial features are involved, that is, each task is...
An Economic Hybrid [J.Sub.2] Analytical Orbit Propagator Program Based on SARIMA Models
September 1, 2012... 1. Introduction An analytical orbit propagator program (AOPP) is an application which collects and arranges all mathematical expressions involved in an approximate analytical solution of the satellite equations of motion. The analytical solutions are known as General Perturbation Theories....
Research on Intersection Signal Switching Model under Emergency Situation
September 1, 2012... 1. Introduction In modern life, the emergency events, natural disasters, and the non resistance events happen frequently. Moreover, these events are unpredictable and bring to several damages. Statistics show that every year our country has big loss because of the disasters (such as the...
Similarity Solutions of MHD Mixed Convection Flow with Variable Reactive Index, Magnetic Field, and Velocity Slip near a Moving Horizontal Plate: A Group Theory Approach
September 1, 2012... 1. Introduction A convection situation involving both free and forced convection is known as mixed convection and has been an important topic because of its application in electronic equipment cooled by a fan and flows in the ocean and in the atmosphere ([1, 2]). In mixed convection flows,...
Vehicle Routing Problem with Time Windows and Simultaneous Delivery and Pick-Up Service Based on MCPSO
September 1, 2012... 1. Introduction Vehicle routing problem with time windows (VRPTW) is an important issue in logistics system which has been researched widely in recent years. The problem can be described as choosing routes for limited number of vehicles to serve a group of customers in the time windows. Each...