نتایج جستجو برای: de and gso optimization
تعداد نتایج: 18185217 فیلتر نتایج به سال:
More and more evidences indicate that the 3D conformation of eukaryotic genome plays important functional role in the cell. While extensive experimental investigations have been performed to study such structurefunction relationships using techniques such as Hi-C methods, there is no data standard to capture the 3D conformation of the genome. In previous work, we have developed an object-orient...
After discussing the general form of the kinetic operator Q̂ around the tachyon vacuum, we determine the specific form of the pure-ghost kinetic operator Q̂ by requiring the twist invariance of the action. We obtain a novel result that the Grassmann-even piece Qeven of Q̂ must act differently on GSO(+) sector and on GSO(−) sector to preserve the twist invariance, and show that this structure is cr...
In a global economy, an efficient supply chain as a main core competency empowers enterprises to provide products or services at the right time in the right quantity, at a low cost. This paper is to plan a single product, multi-echelon, multi-period closed loop supply chain for high-tech products (which have continuous price decrease). Ultimately, considering components rated to procurement, pr...
In this paper, a Gauss–Seidel method with oblique direction (GSO) is proposed for finding the least-squares solution to system of linear equations, where coefficient matrix may be full rank or deficient and overdetermined underdetermined. Through method, number iteration steps running time can reduced greater extent find solution, especially when columns A are close correlation. It theoreticall...
Based on the Bouc-Wen model, a nonlinear hysteretic restoring force model is established with dynamic equations. The hardening and softening of material after reaching yield limit are described by force-displacement curve. Gamultiobj algorithm group search optimization (GSO) used to fit identify hysteresis curves, respectively. effectiveness for identifying parameters verified, effects two algo...
Orientable open string theories containing both bosons and fermions without the GSO projection are expected to have the 10 dimensional N = 2(A) space-time supersymmetry in a spontaneously broken phase. We study the low-energy theorem for the nonlinearly realized N = 2 supersymmetry using the effective action for an unstable D9-brane. It is explicitly confirmed that the 4-fermion open string amp...
The isolated dark low-mass objects in our Galaxy, such as free-floating planets (FFP), can be detected by microlensing observations. By the light curve can be defined three parameters, but only the Einstein time, TE involves the mass, the distance and the transverse velocity of the lens. To break this degeneracy, have to be detected the perturbations in the light curve due to the relative accel...
The galactic swarm optimization algorithm is a metaheuristic approach inspired by the motion and behavior of stars galaxies. It framework that can use basic search methods. method, which has two-phase structure, performs exploration in first phase exploitation second phase. GSO tries to find best solution space repeating these two phases for specified number times. In this study, analysis maxim...
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