نتایج جستجو برای: bai and perron method
تعداد نتایج: 17045141 فیلتر نتایج به سال:
abstract this research has been carried out with the purpose of investigating the conditions and related elements of the employment of the educational sciences graduates of hamedan province universities in 1382-1387 academic years. it has been a descriptive research of a correlation kind, and the population number has been 1180 grduates of payam- e noor universites in asad – abaad, kaboudaraha...
the research questions were as follows: 1. is there any relationship between the students concious awareness of the form and implications of the conjuncations and their improvement in using appropriate conjunctions? 2. does students knowledge of the from and the implications of the conjunctions help them to produce more coherent writings. 3. does a comparison between english conjunctions and th...
the present study was concerned with exploring the frequency and linguistic focus of corrective feedback types given by novice and experienced female teachers working with young learners and compared it with those of elementary classes for adults. moreover, it aimed at measuring learners’ acknowledgement of teachers’ corrective feedback in the form of uptake in relation to linguistic coverage o...
In this paper, we study the strong Perron integral, and show that the strong Perron integral is equivalent to the McShane integral.
Ukraine (UA) is one of the world-leading countries in sunflower oil production and exports. Due to increasing demand caused by biofuel regulations, European Union (EU) remains key importer Ukrainian oil. Therefore, aim proposed research provide an evaluation time-varying integration UA market with EU market. To fulfill this goal, first, trends exports as well trade regulations are presented. Th...
Let A be a nonnegative square matrix whose symmetric part has rank one. Tournament matrices are of this type up to a positive shift by 1/2I . When the symmetric part of A is irreducible, the Perron value and the left and right Perron vectors of L(A, α) = (1 − α)A+ αAt are studied and compared as functions of α ∈ [0, 1/2]. In particular, upper bounds are obtained for both the Perron value and it...
A Perron number is a real algebraic integer α of degree d ≥ 2, whose conjugates are αi, such that α > max2≤i≤d |αi|. In this paper we compute the smallest Perron numbers of degree d ≤ 24 and verify that they all satisfy the Lind-Boyd conjecture. Moreover, the smallest Perron numbers of degree 17 and 23 give the smallest house for these degrees. The computations use a family of explicit auxiliar...
A Perron Iteration for the Solution of a Quadratic Vector Equation Arising in Markovian Binary Trees
We propose a novel numerical method for solving a quadratic vector equation arising in Markovian Binary Trees. The numerical method consists in a fixed point iteration, expressed by means of the Perron vectors of a sequence of nonnegative matrices. A theoretical convergence analysis is performed. The proposed method outperforms the existing methods for close-to-critical problems.
BACKGROUND Anxiety related to dental treatment is a common phenomenon that has a significant impact on the provision of appropriate dental care. The aim of this case series was to examine the effect of acupuncture given prior to dental treatment on the level of anxiety. METHODS Eight dentists submitted 21 case reports regarding the treatment of dental anxiety. The level of anxiety was assesse...
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