نتایج جستجو برای: margin maximization

تعداد نتایج: 53753  

2012
Brandon M. Turner Hye Bin Rim Nancy E. Betz Thomas E. Nygren Elizabeth Engler

We present the Maximization Inventory, which consists of three separate scales: decision difficulty, alternative search, and satisficing. We show that the items of the Maximization Inventory have much better psychometric properties when compared to the original Maximization Scale (Schwartz et al., 2002). The satisficing scale is a new addition to the study of maximization behavior, and we demon...

Journal: :journal of mining and environment 2011
j. gholamnejad a.r. mojahedfar

the determination of the ultimate pit limit (upl) is the first step in the open pit mine planning process. in this stage that parts of the mineral deposit that are economic to mine are determined. there are several mathematical, heuristic and meta-heuristic algorithms to determine upl. the optimization criterion in these algorithms is maximization of the total profit whilst satisfying the...

2013
R. D. Powell T. R. Naish L. A. Krissek G. H. Browne L. Carter E. A. Cowan Gavin B. Dunbar R. M. McKay G. B. Dunbar T. I. Wilch

ANDRILL completed its first season in 2006-07 drilling AND-1B through the McMurdo Ice Shelf (MIS) to a depth of 1,285m below the sea floor, a record for Antarctic margin drilling, with 99% recovery. The alternating glacial-interglacial sediment packages interbedded with volcanics provide a uniquely detailed record of Antarctic glacial and climatic change through the Neogene. This paper summariz...

Journal: :IEEE Trans. Automat. Contr. 1999
Peter Dorato Domenico Famularo Chaouki T. Abdallah

In [4] an algorithm is presented for analytic phase margin control design. Without special care, however, the compensator computed with this algorithm may not be a real rational function. The problem is evident when the plant has real unstable poles. In this case the algorithm in [4] requires a mapping of real points into complex values, and it is not clear that the resulting compensator has re...

2000
Joan Daemen Vincent Rijmen

In this document we give a short overview of the reasons why Rijndael should be selected as the AES. We have divided our arguments into four categories: • Security: Rijndael has the same objective security level as the other finalists, and can easily be implemented in a secure way. • Efficiency: Rijndael has a large "performance margin" compared to the other candidates. • Design philosophy: The...

2003
Vlad Popovici Jean-Philippe Thiran

1 The central problem in the case of face detectors is to build a face class model. We present a method for face class modeling in the eigenfaces space using a large-margin classifier like SVM. Two main issues are addressed: what is the required number of eigenfaces to achieve a good classification rate and how to train the SVM for a good generalization. As the experimental evidence show, gener...

Journal: :Discrete Applied Mathematics 2008
Joel Ratsaby

Sauer’s Lemma is extended to classes HN of binary-valued functions h on [n] = {1, . . . , n} which have a margin less than or equal to N on all x ∈ [n] with h(x) = 1, where the margin μh(x) of h at x ∈ [n] is defined as the largest non-negative integer a such that h is constant on the interval Ia(x) = [x− a, x+ a] ⊆ [n]. Estimates are obtained for the cardinality of classes of binary valued fun...

Journal: :Math. Meth. of OR 2011
Emilio Carrizosa Belen Martin-Barragan

In ordinal regression, a score function and threshold values are sought to classify a set of objects into a set of ranked classes. Classifying an individual in a class with higher (respectively lower) rank than its actual rank is called an upgrading (respectively downgrading) error. Since upgrading and downgrading errors may not have the same importance, they should be considered as two differe...

Journal: :journal of agricultural science and technology 2010
s. s. hosseini h. shahbazi

high and increasing beef marketing margin leads one to controversy about factors affecting it. this study using the monthly data for the 1998-2005 period to investigate the market power and to estimate how farm and marketing services supplies and retail demand determinants can affect beef marketing margin. the results show that farm, marketing services and retail level prices and thereby ma...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشکده علوم زمین سازمان زمین شناسی و اکتشافات مع 1390

the neogene intrusion masses in the noudeh-enghelab area located to the north of sabzevar ophiolite have cut the late cretaceous ophiolitic rocks, sedimentary- volcanic and eocene volcanic rocks and have been covered by pliocene and quaternary deposits. the margin is of lava with basalt, phyric andesite-basalt and andesite and the central parts (dome shaped) composed of phyric andesite-trachyan...

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