نتایج جستجو برای: and gis functions finally
تعداد نتایج: 16900544 فیلتر نتایج به سال:
Although prox-regular functions in general are nonconvex, they possess properties that one would expect to find in convex or lowerC2 functions. The class of prox-regular functions covers all convex functions, lower C2 functions and strongly amenable functions. At first, these functions have been identified in finite dimension using proximal subdifferential. Then, the definition of prox-regula...
chapter one is devotod to collect some notion and background informations, which are needed in the next chapters. it also contains some important statements which will be proved in a more general context later in this thesis. in chapter two, we show that if the marginal factor-group is of order np1...pk,n>1, then we obtain a bound for the order of the verbal subgroup. also a bound for the bear-...
The first stage in development and design of Pumped Storage Hydropower Plants (PSHP) is finding the optimum location. This paper presents a methodology for preliminary site selection of PSHP with the help of geospatial data analysis in a Geographic Information System (GIS) environment. The conventional method of PSHP site selection has certain limitations and is not cost and time effective. The...
Green information system (GIS) plays an important role in the sustainable development of organizations, especially for those in emerging economy that face both economic and environmental pressures. To fulfill the purpose, employees need to work together on tasks using all kinds of GIS functions such as online collaboration and remote meeting. Researchers study GIS adoption at either the organiz...
This paper presents the concepts and technology of GMN and its application in developing real estate management software. GMN abbreviating GIS+MIS+Network, is a new technology integrating Geographic Information Systems (GIS) and Management Information Systems (MIS) in the Internet environment. Previous real estate management software products which are mainly based on MIS cannot meet various es...
In this paper, we first present a preliminary study on metric segments and geodesics in metric spaces. Then we recall the concept of d-convexity of sets and functions in the sense of Menger and study some properties of d-convex sets and d-convex functions as well as extreme points and faces of d-convex sets in normed spaces. Finally we study the continuity of d-convex functions in geodesic metr...
Patterns have been used in software engineering to enable the reuse of successful solutions for recurrent problems in various steps of the software development process. In the development of geographic information systems (GIS), usually only geographic data are reused. This paper shows the adequacy of deriving as well as applying analysis patterns in the conceptual data modeling process of geog...
The advancement of Internet technologies and geographical information systems (GIS) have opened up new opportunities for the application of Internet-based GIS in the context of information and knowledge management. Based on the observation that almost every type of information resource has some geographical relationship this paper introduces how GIS can be used as search components in informati...
this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...
strategic programming, complex supply chain, lean, production programming, suppliers selection, electre this paper represents a model of strategic programming with limited resources in a complex supply chain. the main goal of the proposed model is to increase efficiency and effectiveness of the supply chain with respect to income increases and cost decreases. using special objective functions...
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