نتایج جستجو برای: linear moment analysis l

تعداد نتایج: 3699112  

Journal: :Math. Oper. Res. 2004
Gergely Mádi-Nagy András Prékopa

The discrete moment problem DMP has been formulated as a methodology to nd the minimum and or maximum of a linear functional acting on an unknown probability distribution the support of which is a known discrete usually nite set where some of the moments are known The moments may be binomial power or of more general type The multivariate discrete moment problem MDMP has been initiated by the se...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

a novel silver (ag) nanocomposite electrode was proposed that fabricated from metal nanostructures and ionic liquids. the combined application of unique properties of nanomaterials and ionic liquids in the design of this ag nanocomposite results in electrodes with interesting advantages compared to the conventional metal disk electrode. in the first part of this thesis, the elecrocatalytic eff...

ژورنال: علوم آب و خاک 2022

Proper flood discharge forecasting is significant for the design of hydraulic structures, reducing the risk of failure, and minimizing downstream environmental damage. The objective of this study was to investigate the application of machine learning methods in Regional Flood Frequency Analysis (RFFA). To achieve this goal, 18 physiographic, climatic, lithological, and land use parameters were ...

2012
Kao-Peng Chou Jia-Chin Lin

Estimation theory has been developed over centuries. There are several approaches to utilizing this theory; in this chapter, these approaches are classified into three types. Type I includes the oldest two methods, the least squares (LS) and moment methods; both of these methods are non-optimal estimators. The least squares method was introduced by Carl Friedrich Gauss. Least squares problems f...

Journal: :Water Resources Research 1998

Progressive collapse is a chain reaction of failures propagating throughout a portion of the structure disproportionate to the original local failure occurring when a sudden loss of a critical load‐bearing element initiates a structural element failure, eventually resulting in partial or full collapse of the structure. Both General Services Administration (GSA) and United States Department of D...

2012
Mathieu Claeys Denis Arzelier Didier Henrion Jean-Bernard Lasserre

This paper shows how to use semi-definite programming to find lower bounds on (and sometimes solve globally) a large class of nonlinear optimal control problems. This is done by relaxing an optimal control problem into a linear programming problem on measures, also known as a generalized moment problem. The handling of measures by their moments reduces the problem to a convergent series of stan...

2008
MATTHEW P. YOUNG

We produce a new proof of the reciprocity law for the twisted second moment of Dirichlet L-functions that was recently proved by Conrey. Our method is to analyze certain two-variable sums where the variables satisfy a linear congruence. We show that these sums satisfy an elegant reciprocity formula. In the case that the modulus is prime, these sums are closely related to the twisted second mome...

2006
JEAN B. LASSERRE

Let μ be a given Borel measure on K ⊆ R and let y = (yα), α ∈ N, be a given sequence. We provide several conditions linking y and the moment sequence z = (zα) of μ, for y to be the moment sequence of a Borel measure ν on K which is absolutely continuous with respect to μ and such that its density is in L∞(K, μ). The conditions are necessary and sufficient if K is a compact basic semi-algebraic ...

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