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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：VC-PINN: variable coefficient physics-informed neural network for forward and inverse problems of PDEs with variable coefficient
VC-PINN 变系数 偏微分方程 正逆问题 变系数物理 知情神经网络
2023/11/13
The talk proposes a deep learning method specifically dealing with the forward and inverse problem of variable coefficient partial differential equations-Variable Coefficient Physics-Informed Neural N...
Rational permeability coefficient of a permeable lining for composite tunnel lining structures
tunneling engineering deeply-buried tunnel composite lining structure concrete permeable lining grouting circle parameter permeability coefficient reasonable value
2018/5/11
Various factors influence the tunneling are simplified considering the axial symmetry of the composite lining structure. The analytical expressions for the seepage field，stress，and displacement in the...
Effect of Mass on Convective Heat Transfer Coefficient During Onion Flakes Drying
Convective Heat Transfer Coefficient Onion Flakes
2016/5/27
In this present study an open sun and greenhouse drying of onion flakes has been performed to study the effect of mass on convective heat transfer coefficient. Three sets of experiments with total qua...
In the domain of the Side Channel Attacks, various statistical
tools have succeeded to retrieve a secret key, as the Pearson coefficient
or the Mutual Information. In this paper we propose to study ...
FUNCTIONAL COEFFICIENT MOVING AVERAGE MODEL WITH APPLICATIONS TO FORECASTING CHINESE CPI
Moving Average model functional coefficient model fore- casting Consumer Price Index
2016/1/26
This article establishes the functional coefficient moving average mod-el (FMA), which allows the coefficient of the classical moving average model to adapt with a covariate. The functional coefficien...
Preconditioning is a technique from numerical linear algebra that can accelerate algorithms to solve systems of equations. In this pa-per, we demonstrate how preconditioning can circumvent a stringent...
On a Principal Varying Coefficient Model
local linear estimator L 1 -penalty principal function pro- file least-squares estimation semi-varying coefficient model
2016/1/20
We propose a novel varying coefficient model, called princi-pal varying coefficient model (PVCM), by characterizing the varying coeffi-cients through linear combinations of a few principal functions. ...
Experimental determination of the coefficient of restitution for meter-scale granite spheres
Asteroids Collisional physics Experimental techniques Planetary formation Planetary rings
2015/12/25
We present results of a series of large-scale experiments to measure the coefficient of restitution for 1-m-diameter rocky bodies in impacts with collision speeds up to 1.5 m s1. The experiments wer...
THE DIFFUSION COEFFICIENT FOR PIECEWISE EXPANDING MAPS OF THE INTERVAL WITH METASTABLE STATES
DIFFUSION COEFFICIENT WITH METASTABLE STATES
2015/9/29
Consider a piecewise smooth expanding map of the interval possessing several
invariant subintervals and the same number of ergodic absolutely continuous invariant probability measures (ACIMs).
Variation of the feedback coefficient with R12 and the geographic latitude in 1-h ahead forecast of f0 F2
forecast feedback critical frequency
2015/9/25
The «prediction» and «forecast» of the critical frequency of the F 2 layer (f0 F2 ) is an important issue for frequency planning in short wave radio communications. In this context...
DEVELOPMENT AND IMPLEMENTATION OF RATIONAL POLYNOMIAL COEFFICIENT ALGORITHMS FOR GEOREFERENCING CARTOSAT-1 DATA
Leader file Georeferencing Rational Function
2015/8/28
This particular study deals with the development of a Generic model called Rational Polynomial
Coefficient, which relates the object space with the image space thereby, georeferencing a satellite
im...
Boosted Varying-Coefficient Regression Models for Product Demand Prediction
Boosting gradient descent tree-based regression varying-coefficient model
2015/8/21
Estimating the aggregated market demand for a product in a dynamic market is critical to manufacturers and retailers. Motivated by the need for a statistical demand prediction model for laptop pricing...
Controller coefficient truncation using Lyapunov performance certificate
Delete coefficient linear controller coefficient of linear matrix inequality lmi the numerical values
2015/8/7
We describe a method for truncating the coefficients of a linear controller while guaranteeing that a given set of relaxed performance constraints is met. Our method sequentially and greedily truncate...
Binomial coefficient codes over GF
Graham, binomial coefficient coding, discrete mathematics, number of codewords, industry convergence rate
2015/7/14
Diaconis, P. and R. Graham, Binomial coefficient codes over GF(2) Discrete Mathematics
106/107 (1992) 181-188.
In this note we study codes over GF(2) which are generated for given d and r by binar...
Controller Coefficient Truncation Using Lyapunov Performance Certificate
coeffi cient truncation controller design LMI methods
2015/7/9
We describe a method for truncating the coefficients of a linear controller while guaranteeing that a given set of relaxed performance constraints is met. Our method sequentially and greedily truncate...