نتایج جستجو برای: 2 locating set
تعداد نتایج: 3047059 فیلتر نتایج به سال:
A tournament is a directed graph T such that every pair of vertices connected by an arc. feedback vertex set S in − acyclic. We consider the Feedback Vertex Set problem tournaments. Here, input and weight function w : V ( ) → N, task to find minimizing = ∑ v∈S v ). Rounding optimal solutions natural LP-relaxation this yields simple 3-approximation algorithm. This has been improved 2.5 Cai et al...
در این پایان نامه، با بهره گیری از ویژگی های ترانزیستورset، ساختار جدیدی برای مبدل آنالوگ به دیجیتال مبتنی بر ساختار folding ارائه می شود و با مقایسه بین ساختار پیشنهادی و ساختارهای پیشین مشاهده می شود که فرکانس نمونه برداری بهبود یافته و از طرف دیگر تلفات توانی و تعداد اجزا به کار گرفته شده در ساختار کاهش چشم گیری داشته است. البته با به کار گیری مدار ترکیبی set/cmos در ساختار پیشنهادی شاهد بهت...
Analysis of the Location of Urban Fire Stations Case Study: Piranshahr City I. Ebrahimzadeh[1] D. Kashefidoost[2] A. Hosseini[3] 1. Introduction The first key point in order to allocate city facilities and proper use of them especially during the crisis, is choosing (selecting) the optimum location (place) regarding to different and sometimes contradictory conditions. This becomes more importan...
We recap our analysis of e-error locating pairs from last time. For more detail, refer to Lecture 11. We defined u ? v = (u1v1, . . . , unvn) for u, v ∈ Fq , and A ? C = {a ? b|a ∈ A, b ∈ B} for A,B ⊆ Fq . Recall that (A,B) is an e-error locating pair for a linear code C iff 1. A,B are linear codes 2. A ? C ⊆ B 3. dim(A) > e 4. ∆(B) > e 5. ∆(C) > n−∆(A) Finding an (A,B) pair which satisfies pro...
Most real world engineering design problems, such as cross-country water mains, include combinations of continuous, discrete, and binary value decision variables. Very often, the binary decision variables associate with the presence and/or absence of some nominated alternatives or project’s components. This study extends an existing continuous Ant Colony Optimization (ACO) algorithm to simultan...
Accurate locating of fault in power distribution system (PDS) can significantly improve the reliability indices. In this paper, a new simple and practical method is proposed for estimating the section and distance of fault in PDS. In the proposed method, at first the protective devises are allocated and then specially set in such a way that they are coordinated and the unique current pattern is...
In this paper, multi-objective set covering problems (MOSCP) as one of the location-allocation models are being considered. Here, the objective is to minimize the cost of locating facilities and at the same time to maximize demand satisfaction in a defined structure so that each customer or zone is being covered by at least one facility. Since the problem falls into NP-hard category from the ...
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