نتایج جستجو برای: ddm

تعداد نتایج: 750  

2017
Qinglong He Yong Chen Bo Han Haoran Ren Huazhong Wang Jingnan Li Shangxu Wang Dengfeng Yang Tristan van Leeuwen Yi Tao Mrinal K Sen Rui Zhang

Full waveform inversion (FWI) has been regarded as an effective tool to build the velocity model for the following pre-stack depth migration. Traditional inversion methods are built on Born approximation and are initial model dependent, while this problem can be avoided by introducing Transmission matrix (T-matrix), because the T-matrix includes all orders of scattering effects. The T-matrix ca...

2007
Quan Gu Joel P. Conte

A method to compute the “exact” or consistent sensitivities to material and loading parameters of the numerical nonlinear finite element response was developed by other researchers and the second author. This general method is referred to in the literature as the Direct Differentiation Method (DDM). This paper focuses on the behavior of stand-alone sensitivity results. It presents the results o...

2015
Xavier Limón Alejandro Guerra-Hernández Nicandro Cruz-Ramírez Héctor-Gabriel Acosta-Mesa Francisco Grimaldo

When inducing Decision Trees, Windowing consists in selecting a random subset of the available training instances (the window) to induce a tree, and then enhance it by adding counter examples, i.e., instances not covered by the tree, to the window for inducing a new tree. The process iterates until all instances are well classified or no accuracy is gained. In favorable domains, the technique i...

2013
Michael H. Scott

To expand the scope of accurate and efficient gradient-based applications in structural engineering, the direct differentiationmethod (DDM) is applied to compute the response sensitivity of force-based frame finite elements with combined material and geometric nonlinearity where the transverse displacement field is determined by curvature-based displacement interpolation. Sensitivity is develop...

Journal: :Remote Sensing 2012
Antoine Collin James L. Hench

Owing to the shallowness of waters, vast areas, and spatial complexity, reefscape mapping requires Digital Depth Models (DDM) at a fine scale but over large areas. Outperforming waterborne surveys limited by shallow water depths and costly airborne campaigns, recently launched satellite sensors, endowed with high spectral and very high spatial capabilities, can adequately address the raised iss...

Journal: :Journal of Experimental Psychology: General 2021

The latent psychological mechanisms involved in decision-making are often studied with quantitative models based on evidence accumulation processes. most prolific example is arguably the drift-diffusion model (DDM). This framework has frequently shown good to very fits, which prompted its wide endorsement. However, fit quality alone does not establish validity of a model's interpretation. Here,...

Journal: :Sustainability 2022

Many governments actively subsidize the green activities of manufacturers and consumers to effectively realize achievement carbon emissions peak carbon-neutral goals, while development a platform economy can contribute sustainable development. Therefore, we have modeled supply chain using game theory, in which manufacturer conducts research (R&D) activities, third-party data-driven marketin...

Journal: :Monthly Notices of the Royal Astronomical Society 2021

ABSTRACT In Salvador-Solé, Manrique & Botella (Paper I), we used the ConflUent System of Peak trajectories (CUSP) formalism to derive from first principles and no single free parameter accurate abundance radial distribution both diffuse dark matter (dDM) subhaloes accreted on haloes their progenitors at all previous times. Here use those results as initial conditions for monitoring evolutio...

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