Spatial analysis and optimization of self-pickup points of a new retail model in the Post-Epidemic Era: the case of Community-Group-Buying in Xi’an CityOriginal Paper Open access Published: 20 March 2023 Volume 3, article number 13, (2023) Cite this article ...
This work discusses a novel methodology for global parameter optimization of microwave components. The proposed approach relies on identification of the most promising regions of the search space using inverse regression model set up using pre-selected random observables. The inverse model identification ...
Photo byKlara KulikovaonUnsplash New Optimization for deep learning 一般在很强条件下才能使用 Background 一些记号 θt时间t步更新的参数 model parameters at time step t。 ∇L(θt)orgt在θt处的梯度,用于计算下一个参数θt+1更新值 gradient。 mt+1记录了所有从0时间起到t时间的θt处的梯度,但是并...
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As discussed above, the multilayer strategy brings new possibilities for metamaterial design considering various physics objectives. Fig. 8: Extension of the multilayer strategy to multiphysics problems. a Illustration of a single layer and a bilayer cell model. b–d Model definitions for an acoustic...
Evolutionary optimization algorithms model a solution as a chromosome in an individual. In high-level pseudo-code, the algorithm implemented inFigure 2is: XML initialize a population of random solutions determine best solution in population loop select two parents from population make two children from...
This SI aims at bringing together articles that discuss recent advances of optimization methods and algorithms that integrate various life supporting systems. Very often, a decision making problem appears in the form of a parameter estimation problem, it can be formulated as an optimization model, an...
What new talent can enable portfolio optimization? Responsibly capturing the full value from a portfolio requires building more advanced trading, optimization, and risk-management capabilities that can support the business model shift. To do so, players will need people with the right mix of ski...
Numerical optimization has been ubiquitous in antenna design for over a decade or so. It is indispensable in handling of multiple geometry/material parameters, performance goals, and constraints. It is also challenging as it incurs significant CPU expens
This model is suitable for exploring general irreversible behaviors not linked with particularities of the heat transfer mechanisms. It could be understood as a first irreversible deviation from a Carnot HE (RE) and displays the capability of obtaining upper and lower bounds for the efficiency (COP...