نتایج جستجو برای cost-related objective functions

تعداد نتایج: 1706812  

This study considers outsourcing decisions in a flexible flow shop scheduling problem, in which each job can be processed by either an in-house production line or outsourced. The selected objective function aims to minimize the weighted sum of tardiness costs, in-house production costs, and outsourcing costs with respect to the jobs due date. The purpose of the problem is to select the jobs tha...

2005
Rüdiger Ebendt, Rolf Drechsler,

In this paper we investigate the exact optimization of BDDs with respect to path-related objective functions. We aim at a deeper understanding of the computational effort of exact methods targeting the new objective functions. This is achieved by an approach based on Dynamic Programming which generalizes the framework of Friedman and Supowit. A prime reason for the computational complexity can ...

Journal: :Synthese 2017
Marcel Weber,

John Searle has argued that functions owe their existence to the value that we put into life and survival. In this paper, I will provide a critique of Searle’s argument concerning the ontology of functions. I rely on a standard analysis of functional predicates as relating not only a biological entity (e.g., the heart), an activity that constitutes the function of this entity (e.g., pumping blo...

Journal: :J. Comb. Optim. 2013
Fatima Affif Chaouche, Carrie G. Rutherford, Robin Whitty,

Let (E,A) be a set system consisting of a finite collectionA of subsets of a ground set E, and suppose that we have a function φ which maps A into some set S . Now removing a subset K from E gives a restriction A(K̄) to those sets of A disjoint from K, and we have a corresponding restriction φ|A(K̄) of our function φ. If the removal of K does not affect the image set of φ, that is Im(φ|A(X̄)) = Im...

Journal: :Neural Networks 1990
Eric Mjolsness, Charles Garrett,

Many neural networks can be derived as optimization dynamics for suitable objective functions. We show that such networks can be designed by repeated transformations of one objective into another with the same xpoints. We exhibit a collection of algebraic transformations which reduce network cost and increase the set of objective functions that are neurally implementable. The transformations in...

2012
Christian Borgelt,

Fuzzy clustering comprises a family of prototype-based clustering methods that can be formulated as the problem of minimizing an objective function. These methods can be seen as “fuzzifications” of, for example, the classical c-means algorithm, which strives to minimize the sum of the (squared) distances between the data points and the cluster centers to which they are assigned. However, it is ...

1989
Pascal Fua, Andrew J. Hanson,

We propose and evaluate a class of objective funct ions tha t rank hypotheses for feature labels. Our approach takes into account the representation cost and qual i ty of the shapes themselves, and balances the geometric requirements against the photometr ic evidence Th is balance is essential for any system using underconstrained or generic feature models. We introduce examples of specific mod...

2002
Jennifer L. Wong, Seapahn Megerian, Miodrag Potkonjak,

The effectiveness of traditional CAD optimization algorithms is proportional to the accuracy of the targeted objective functions. However, behavioral synthesis tools are not used in isolation; they form a strongly connected design flow where each tool optimizes its own objective function without considering the consequences on the optimization goals of the subsequently applied tools. Therefore,...

2006
Xing Cai, Noureddine Bouhmala,

Good performance of parallel finite element computations on unstructured meshes requires high-quality mesh partitioning. Such a decomposition task is normally done by a graph-based partitioning approach. However, the main shortcoming of graph partitioning algorithms is that minimizing the so-called edge cut is not entirely the same as minimizing the communication overhead. This paper thus propo...

B Abbasi, B Afshar Nadjafi,

Extensive research has been devoted to economic production quantity (EPQ) problem. However, little atten-tion has been paid to problems where depreciation cost and process quality cost must be considered, simulta-neously. In this paper, we consider the economic production quantity model of minimizing the annual total cost subject to depreciation cost and process quality cost, where depreciation...

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