نتایج جستجو برای: linear moment

تعداد نتایج: 537868  

Journal: :desert 2012
a.r. keshtkar a. salajegheh m. najafi hajivar

statistical frequency analysis is the most common procedure for the analysis of flood data at a gauged location thatin first step it is needed to select a model to represent the population. among them, the central moment has been themost common and widely used, and with the using of computers, the application of the maximum likelihood hasincreased. this research was carried out in order to reco...

Journal: :desert 0
a.r. keshtkar assistant professor, international desert research center (idrc), university of tehran, tehran, iran a. salajegheh associate professor, faculty of natural resources, university of tehran, karaj, iran m. najafi hajivar msc. graduate, natural resources and watershed management office, koohrang, iran

statistical frequency analysis is the most common procedure for the analysis of flood data at a gauged location thatin first step it is needed to select a model to represent the population. among them, the central moment has been themost common and widely used, and with the using of computers, the application of the maximum likelihood hasincreased. this research was carried out in order to reco...

Journal: :civil engineering infrastructures journal 0
seyed mehdi zahrai associate professor, center of excellence for engineering and management of civil infrastructures, school of civil engineering, college of engineering, university of tehran, p.o.box: 11155-4563, tehran, iran. alireza ezoddin ph.d. student, faculty of civil engineering, university of semnan, semnan, iran.

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...

2004
Sandip Roy George C. Verghese Bernard C. Lesieutre

We introduce a class of quasi-linear models for stochastic dynamics, called moment-linear stochastic systems (MLSS). We formulate MLSS and analyze their dynamics, as well as discussing common stochastic models that can be represented as MLSS. Further studies, including development of optimal estimators and controllers, are summarized. We discuss the reformulation of a common stochastic hybrid s...

2003
RONALD DEVORE

where :Yl denotes the orthogonal complement of Y (see [I]). Another example of this type of duality appears in one of the classical moment problems. Letfbe Bore1 measurable and bounded on [a,b], h,, . . ., h, a CebySev system on [a,b] and for a given positive Bore1 measure yO defined on [a,b] denote by C (y,,) the class of all positive Bore1 measures y which satisfy f.bhkdy=[hkdyo k= 1,2 ,..., ...

Journal: :The Review of Economic Studies 2023

Abstract We show that moment inequalities in a wide variety of economic applications have particular linear conditional structure. use this structure to construct uniformly valid confidence sets remain computationally tractable even settings with nuisance parameters. first introduce least-favorable critical values which deliver non-conservative tests if all moments are binding. Next, we novel i...

Journal: :international journal of agricultural management and development 2016
kemi funmilayo omotesho azeez muhammad-lawal gafar olawumi iyiowu

in spite of the development of various improved cultivars of maize, yield in nigeria has continued to be hampered by the over cropped nature of most farmlands as well as a wide range of pests and diseases. this study therefore carried out an analysis of agro-chemical inputs’ use in maize production among small scale farmers in iwo local government area of osun state. specifically, the study inv...

Journal: :فیزیک زمین و فضا 0
وحید ابراهیم زاده اردستانی دانشیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران و قطب علمی مهندسی نقشه برداری و مقابله با سوانح طبیعی علی نجاتی کلاته استادیار، گروه مهندسی معدن، نفت و ژئوفیزیک دانشگاه صنعتی شاهرود

the compact gravity inversion including the minimization of moment of inertia has been applied to determine the geometry of anomalous bodies which cause much more depth esolution. the new algorithm is based on lewi's (1996) procedure including the minimum moment of inertia. the method is used with good results to several 3-dimensional synthetic models and real examples. the advantage of us...

Journal: :Discrete Applied Mathematics 1990

Journal: :Bulletin of the Australian Mathematical Society 1992

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