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An efficient three-dimensional (3D) direct integration (DI) finite-difference time-domain (FDTD) method is introduced to solve electromagnetic wave propagation problems in anisotropic magnetized plasma medium using matrix method. Compared with previous 3D FDTD plasma method, our method is more flexible in adjusting medium parameters thus can deal with varied mediums. Through several simulations, the...
Recently network virtualization is considered as a powerful way to overcome the current ossification of Internet, and is viewed as the keystone of the next-generation network architecture. In network virtualization, virtual network (VN) embedding problem, which assigns virtual nodes and links to physical network, plays an important role. Due to the scarcity of physical resource, efficient and effective...
In order to make the supply chain system to service the final customers on time, it needs to carry on the rational distribution to each operation time, but the cost-cutting of each operation time is different, so needs to seek the best time distribution scheme under the minimization of total cost. Considering the discrete and continuous relationship between the cost and time, the total operation time...
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