منابع مشابه
Some New Developments in Small Area Estimation
Small area estimation has received a lot of attention in recent years due to growing demand for reliable small area statistics. Traditional area-specific estimators may not provide adequate precision because sample sizes in small areas are seldom large enough. This makes it necessary to employ indirect estimators based on linking models. Basic area level and unit level models have been extensiv...
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Lagrangian methods in heat-flow problems and transport phenomena were introduced by the writer in some previous work. The present paper develops further one particular aspect of the method,-i.e., the elimination of “ignorable coordinates.” This is accomplished by a special choice of generalized coordinates, each of which is constituted by an arbitrary temperature distribution and an “associated...
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Over recent decades, electromagnetic methods have been viewed with considerable suspicion by many in the hydrocarbon exploration industry. While highly effective in mineral and environmental geophysics, electro m a g n e t i c methods have played a minor role in hydrocarbon exploration. Since electromagnetic (EM) methods use signals that diffuse in the Earth, they cannot provide the same vertic...
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We have investigated the performance of a variety of new algorithms for the solution of large systems of linear equations arising in multi-dimensional numerical device simulation. These algorithms include novel techniques for preconditioning and equation solution that are particularly suited for very ill-conditioned problems where conventional methods fail. In our software implementation, they ...
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ژورنال
عنوان ژورنال: JOM
سال: 2019
ISSN: 1047-4838,1543-1851
DOI: 10.1007/s11837-019-03720-4