نتایج جستجو برای: convex contaction

تعداد نتایج: 54795  

Journal: :International Journal of Computer Applications 2011

Journal: :Proceedings of the American Mathematical Society 2022

We prove that every polynomially convex arc is contained in a simple closed curve. also establish results about polynomial hulls of arcs and curves are locally rectifiable outside subset.

2004
Noboru Endou Yasunari Shidama

Let V be a real linear space. The functor ConvexComb(V ) yielding a set is defined by: (Def. 1) For every set L holds L ∈ ConvexComb(V ) iff L is a convex combination of V . Let V be a real linear space and let M be a non empty subset of V . The functor ConvexComb(M) yielding a set is defined as follows: (Def. 2) For every set L holds L ∈ ConvexComb(M) iff L is a convex combination of M . We no...

Journal: :مهندسی برق مدرس 0
mohammad moltafet m.sc. student, department of electrical and computer engineering, tarbiat modares university, tehran iran, paiz azmi full professor, department of electrical and computer engineering, tarbiat modares university, tehran iran ali karimi kelayeh m.sc. student, department of electrical and computer engineering, tarbiat modares university, tehran iran moslem foruzesh m.sc. student, department of electrical and computer engineering, tarbiat modares university, tehran iran

in this paper, downlink resource allocation for a sparse code multiple access (scma) based heterogeneous  cellular networks (hcn) is investigated. the main aim of this paper is to obtain joint power allocation and codebook assignment to achieve the least total system transmit power. in this regard, the proposed objective function is formulated as total transmit power subject to users minimum ra...

Journal: :iranian journal of fuzzy systems 2013
ali abbasi molai

in this paper, an optimization problem with a linear objective function subject to a consistent finite system of fuzzy relation inequalities using the max-product composition is studied. since its feasible domain is non-convex, traditional linear programming methods cannot be applied to solve it. we study this problem and capture some special characteristics of its feasible domain and optimal s...

Journal: :journal of operation and automation in power engineering 2015
r. sedaghati f. namdari

one of the significant strategies of the power systems is economic dispatch (ed) problem, which is defined as the optimal generation of power units to produce energy at the lowest cost by fulfilling the demand within several limits. the undeniable impacts of ramp rate limits, valve loading, prohibited operating zone, spinning reserve and multi-fuel option on the economic dispatch of practical p...

GH Tohidi S Razavyan

This paper uses integrated Data Envelopment Analysis (DEA) models to rank all extreme and non-extreme efficient Decision Making Units (DMUs) and then applies integrated DEA ranking method as a criterion to modify Genetic Algorithm (GA) for finding Pareto optimal solutions of a Multi Objective Programming (MOP) problem. The researchers have used ranking method as a shortcut way to modify GA to d...

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