互补判断矩阵排序的梯度特征向量法

互反型判断矩阵与互补型判断矩阵可以相互转换.决策者在对某些判断没有把握的情况下,可以给出互补判断矩阵的上三角或下三角部分,转换成互反型判断矩阵,得出互补型判断矩阵的梯度特征向量法.     

"互反型"标度的一致性比较

论证了几种常用的"互反型"标度下,判断矩阵的完全一致性互不相容,并研究了这几种标度下,严格一致性等同范式在另一种"互反型"标度下的一致性比例值,给出达到满意一致的矩阵所占的百分比,得出使用an(a8=9)指数标度更为合理的结论.     

基于三角模糊数互反判断矩阵一致性的多目标决策方法

针对决策信息为三角模糊数互反判断矩阵的模糊多目标决策问题.首先,介绍了数值型互反判断矩阵及其一致性、三角模糊数相互比较的可能度公式、三角模糊数互反判断矩阵及其一致性等知识.其次,基于三角模糊数一致性互反判断矩阵概念及最小偏差建立一个线性规划模型,通过求解该模型得到三角模糊数互反判断矩阵的排序向量,根据排序向量比较的可能度所建立的数值型互补判断矩阵的排序公式对方案排序.提出了一种新的模糊多目标决策方法.最后,通过风险投资项目的选择验证了方法是行之有效的.     

衡量判断矩阵相容性的一个通用指标

首先介绍了互反判断矩阵与互补判断矩阵之间的转换公式,以及完全一致性互反判断矩阵和完全一致性互补判断矩阵之间的关系。然后在综合考虑互反判断矩阵与互判断矩阵各自特点的基础上,给出了衡量判断矩阵（包括互反判断矩阵和互补判断矩阵）相容性的一个通用指标,以及互反权重矩阵和互补权重矩阵等概念。对判断矩阵的相容性和一致性详细地进行了研究,并给出了衡量判断矩阵相容性准则。这些结果在群组决策中具有良好的应用前景,有助于进一步提高决策的合理性和有效性,最后进行了算例分析。     

一种改进的行和归一化排序方法

提出了一种改进的行和归一化排序方法(INRAM), 从保序性、置换不变性、相容性和累积优势度等方面对该方法的合理性进行了研究, 并且利用互补判断矩阵和互反判断矩阵之间的转换公式, 给出了相应的求解互补判断矩阵排序向量的算法, 从而丰富和发展了互反和互补判断矩阵的排序理论. 最后,通过算例将NRAM法和INRAM法与特征根排序方法(EM)及对数最小二乘法(LLSM)作了对比分析. 数值结果表明: INRAM法不仅简洁易行, 而且与EM 法的排序结果完全一致, 故能较好地揭示方案的真实排序.     

3种基于互反判断矩阵的互补判断矩阵排序法

引进了互反判断矩阵与互补判断矩阵之间的转换公式,介绍了完全一致性互反判断矩阵和完全一致性互补判断矩阵之间的关系,提出了3种基于互反判断矩阵和互补判断矩阵排序方法,详细地研究了它们的一些优良性质,如：强条件下保序性等,并进一步把这些方法推广到群体决策环境中,从而弥补了互补判断矩阵排序理论和方法的不足,为解决互补判断矩阵排序问题提供了新的途径。理论分析和数值结果均表明：这些排序方法具有乘法、可行、且易于计算器或计算机上实施等优点。     

基于模糊一致矩阵性质的正互反矩阵一致性调整方法

讨论正互反判断矩阵与模糊互补矩阵,正互反一致性矩阵与模糊一致性矩阵的关系,并对正互反判断矩阵的一致性提出了一种基于模糊一致性矩阵性质的调整方法.算例表明用该方法对判断矩阵的一致性进行调整工作量小且行之有效.     

基于一致性和偏好程度的区间数多属性决策方法

研究区间数互反判断矩阵的一致性及其排序方法,提出了一致性区间数互反判断矩阵的定义及其构造方法,定义了一致性区间数互反判断矩阵的偏好程度矩阵,并证明该矩阵为实模糊互补判断矩阵,最后给出了确定权重的新的简单算法,通过算例说明此方法的可行性与有效性.     

模糊互补判断矩阵的一致性

基于正互反判断矩阵的一致性检验标准,利用模糊互补和正互反判断矩阵之间的转换公式,得到了模糊互补判断矩阵的两个一致性检验标准,并给出了对于同一个问题的m个满足满意一致的模糊互补判断矩阵,在Hadamard运算下,其组合仍满足满意一致的结论.     

区间互补判断矩阵的拟一致性及其权重研究

根据模糊互补判断矩阵的加型一致性和积型一致性反映的相对优势度思想给出区间互补判断矩阵拟加型一致性、拟积型一致性的概念,并利用可能度的互补性将拟加型一致性和拟积型一致性统一为拟一致性.分两种情况讨论了区间互补判断矩阵的权重问题.首先针对拟一致性区间互补判断矩阵,运用可能度法求得区间型权重之间比较的模糊互补判断矩阵,并利用中转法得到精确数型的排序向量.然后针对一般的区间互补判断矩阵,根据区间互补判断矩阵与其区间数型权重在可能度方面的偏差关系,建立偏差模型以求得区间数型权重,用可能度法求得权重之间比较的模糊互补判断矩阵,并利用中转法得到精确数型的排序向量,并指出前者的求解过程实际上是后者的一个特例.给出了区间互补判断矩阵具有拟一致性的充要条件.最后通过实例验证了决策方法的有效性和实用性.     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

海南岛地体及其毗邻陆缘晚中生代—新生代古地磁研究和构造演化

本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。     

Exciton Seebeck in Molecular Systems

Various applications relevant to the exciton dynamics,such as the organic solar cell,the large-area organic light-emitting diodes and the thermoelectricity,are operating under temperature gradient.The potential abnormal behavior of the exicton dynamics driven by the temperature difference may affect the efficiency and performance of the corresponding devices.In the above situations,the exciton dynamics under temperature difference is mixed with     

Achieving Unusual States of Matter Under High Pressure

The elongation method,originally proposed by Imamura was further developed for many years in our group.As a method towards O(N)with high efficiency and high accuracy for any dimensional systems.This treatment designed for one-dimensional(ID)polymers is now available for three-dimensional(3D)systems,but geometry optimization is now possible only for 1D-systems.As an approach toward post-Hartree-Fock,it was also extended to     

《Chinese Science Bulletin》SUBJECT INDEX TO VOLUME 59(2014)

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An on-line scaling method for improving scalability of a database cluster

The explosive growth of the Internet and database applications has driven database to be more scalable and available, and able to support on-line scaling without interrupting service. To support more client's queries without downtime and degrading the response time, more nodes have to be scaled up while the database is running. This paper presents the overview of scalable and available database that satisfies the above characteristics. And we propose a novel on-line scaling method. Our method improves the existing on-line scaling method for fast response time and higher throughputs. Our proposed method reduces unnecessary network use, i.e. , we decrease the number of data copy by reusing the backup data. Also, our on-line scaling operation can be processed parallel by selecting adequate nodes as new node. Our performance study shows that our method results in significant reduction in data copy time.     

An improved R-tree based on childnode''s probability

R-Tree is a good structure for spatial searching. But in this indexing structure,either the sequence of nodes in the same level or sequence of traveling these nodes when queries are made is random. Since the possibility that the object appears in different MBR which have the same parents node is different, if we make the subnode who has the most possibility be traveled first, the time cost will be decreased in most of the cases. In some case, the possibility of a point belong to a rectangle will shows direct proportion with the size of the rectangle. But this conclusion is based on an assumption that the objects are symmetrically distributing in the area and this assumption is not always coming into existence. Now we found a more direct parameter to scale the possibility and made a little change on the structure of R-tree, to increase the possibility of founding the satisfying answer in the front sub trees. We names this structure probability based arranged R-tree (PBAR-tree).     

Integrating GIS Web services based on mediating architecture

The geographic information service is enabled by the advancements in general Web service technology and the focused efforts of the OGC in defining XML-based Web GIS service. Based on these models, this paper addresses the issue of services chaining,the process of combining or pipelining results from several interoperable GIS Web Services to create a customized solution. This paper presents a mediated chaining architecture in which a specific service takes responsibility for performing the process that describes a service chain. We designed the Spatial Information Process Language (SIPL) for dynamic modeling and describing the service chain, also a prototype of the Spatial Information Process Execution Engine (SIPEE) is implemented for executing processes written in SIPL. Discussion of measures to improve the functionality and performance of such system will be included.     

Tracking data management using topology of moving object database system for moving object constrained trajectory in LBS application

Advances in wireless technologies and positioning technologies and spread of wireless devices, an interest in LBS (Location Based Service) is arising. To provide location based service, tracking data should have been stored in moving object database management system (called MODBMS) with proper policies and managed efficiently. So the methods which acquire the location information at regular time intervals then, store and manage have been studied. In this paper, we suggest tracking data management techniques using topology that is corresponding to the moving path of moving object. In our techniques, we update the MODBMS when moving object arrived at a street intersection or a curved road which is represented as the node in topology and predict the location at past and future with attribute of topology and linear function. In this technique, location data that are corresponding to the node in topology are stored, thus reduce the number of update and amount of data. Also in case predicting the location,because topology are used as well as existing location information, accuracy for prediction is increased than applying linear function or spline function.