Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "fuzzy set" wg kryterium: Temat

  Lista filtrów
Wyrównaj
Wyświetlanie 1-15 z 100
Tytuł:
Bifuzzy sets and other generalizations of a fuzzy set
Autorzy:
Mańko, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/748234.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Fuzzy set theory
Opis:
.
The article presents the new concept of a fuzzy set, namely bifuzzy set. In original papers [2]-[15] it is used the name „intuitionistic fuzzy set" but it is not really adequate. We describe the idea of such a set and basic definitions and theorems of bifuzzy set theory. At last we present some other concepts describing fuzzy objects and give a rich literature to them.
Źródło:
Mathematica Applicanda; 1994, 23, 37
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Recruitment and selection process for project team based on fuzzy model
Autorzy:
Bach-Dąbrowska, I.
Powiązania:
https://bibliotekanauki.pl/articles/118506.pdf
Data publikacji:
2012
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
fuzzy set theory
project teams
Opis:
This paper presents a proposition of general reference model based on fuzzy set theory, model that allows defining and resolving structuring project teams decision problems. Proposed model combine precise and imprecise values of decision variables. The model allows formalising in mathematical way linguistic, rough assessment of human behaviour, competency, and psychological profile according to vacant posts, project and team requirements.
Źródło:
Zeszyty Naukowe Wydziału Elektroniki i Informatyki Politechniki Koszalińskiej; 2012, 4; 15-28
1897-7421
Pojawia się w:
Zeszyty Naukowe Wydziału Elektroniki i Informatyki Politechniki Koszalińskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calculus of fuzzy numbers
Autorzy:
Ostasiewicz, Walenty
Powiązania:
https://bibliotekanauki.pl/articles/748662.pdf
Data publikacji:
1979
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Fuzzy sets and logic, Fuzzy set theory
Opis:
MR0549985
From the introduction: "In this article we attempt to use concepts of fuzzy set theory to formalize such ideas as `about 30', `approximately 5', few, many, etc. These ideas describe some numbers, but are not precise; hence, we call them imprecise, or fuzzy numbers. Despite their fuzzy character, one can perform various arithmetical and logical operations: X earns more than Y (even though both of them earn very little), Z earns as much as X and Y earn between them (a sum of two numbers), etc. The purpose of this paper is to define operations on these numbers so that they would reflect our intuitive ideas and would in some sense generalize corresponding operations performed on the `ordinary' real numbers. Attainment of the first objective is difficult because of its subjective character and the lack of formal criteria. For this reason, a large part of this article is devoted to the justification of this or that type of formalism.''
Źródło:
Mathematica Applicanda; 1979, 7, 15
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Merging of fuzzy models for neuro-fuzzy systems
Scalanie modeli rozmytych w systemach neuronowo-rozmytych
Autorzy:
Simiński, K.
Powiązania:
https://bibliotekanauki.pl/articles/375698.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
neuro-fuzzy
fuzzy set
rule merging
similarity
ANNBFIS
Opis:
The merging of fuzzy model is widely used for reduction of rule number in fuzzy model. The supernumerosity of rules is mainly caused by grid partition of input domain. In the paper different cause for model merging is described. It is the need for creation of fuzzy model for large data set. In our solution the models are build basing data subset and then the submodels are merged into one. This approach enables quicker elaboration of submodels with relatively good knowledge generalisation ability without waiting for the whole data set to be processed. With passing time, the subsequent submodels are created and merged to create the better model.
Artykuł opisuje scalanie modeli rozmytych w systemach neuronowo-rozmytych wykorzystywane przy tworzeniu modeli dla dużych zbiorów danych. Nieraz zbiory danych są tak duże, że nie jest możliwe wypracowanie modelu od razu dla całego zbioru. Tworzy się zatem modele dla podzbiorów zbioru danych. Uzyskane w ten sposób modele są następnie scalane, by wypracować jeden model. Podejście to jest także korzystne, gdy wszystkie dane nie są dostępne, ale są dostarczane partiami. Wtedy wstępny model jest wypracowany zanim wszystkie dane zostaną dostarczone do systemu. Artykuł przedstawia sposób wyznaczania podobieństwa reguł w modelu rozmytym oraz opisuje system neuronowo-rozmyty budujący i scalający modele wypracowane dla podzbiorów.
Źródło:
Theoretical and Applied Informatics; 2011, 23, 2; 107-126
1896-5334
Pojawia się w:
Theoretical and Applied Informatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A study on energy of an intuitionistic fuzzy graph
Autorzy:
Gunasekaran, D.
Vijayalakshmi, R.
Powiązania:
https://bibliotekanauki.pl/articles/1046530.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Energy
Fuzzy graph
Intuitionistic fuzzy graph
Intuitionistic fuzzy set
Opis:
Let Ĝ = (V, E, ϛ, η) be a simple intuitionistic fuzzy graph. In this article, the notion of energy of the fuzzy graph is expanded to the energy of an intuitionistic fuzzy graph. The adjacency matrix of an intuitionistic fuzzy graph has been determined and evaluated the energy of an intuitionistic fuzzy graph in terms of its adjacency matrix with suitable illustrative examples. We investigated some lower and upper bounds on the energy of an intuitionistic fuzzy graph.
Źródło:
World Scientific News; 2019, 136; 134-147
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An application of the fuzzy set theory and fuzzy logic to the problem of predicting the value of goods rests
Autorzy:
Rybytska, O.
Vovok, M.
Powiązania:
https://bibliotekanauki.pl/articles/410952.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
fuzzy set
fuzzy logic
linguistic variable
fuzzy knowledge base
Opis:
Applying the fuzzy set theory and fuzzy logic, we construct a mathematical model for predicting the value of unrealized goods rests and demonstrate this model on an empirical example showing good correlation with the real data.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2014, 3, 2; 65-69
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Remarks on the generalized probability of the bifuzzy event
Uwagi o uogólnionym prawdopodobieństwie zdarzenia dwoistorozmytego
Autorzy:
Gerstenkorn, Tadeusz
Gerstenkorn, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/907034.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
bifuzzy (intuitionistic) event
generalized-probability
fuzzy set
Opis:
The presentation is a continuation of a paper at MSA’04 (T. Gerstenkorn, J. Gerstenkorn (2007)). In 1978 Ph. Smets proposed the so-called g-probability of a fuzzy event as a generalization of the L. Zadeh’s probability of 1968. In 1980 S. Heilpem also discusscd g-probability and analysed its properties. In 1992 Ph. Smets discussed once again the same his own problem and demonstrated its axiomatic properties. In this elaboration we desire to discuss the g-probability of the bifuzzy (intuitionistic) event and its properties as consistent with Kolmogoroff axiomatics.
Niniejsza prezentacja jest kontynuacją pracy pt. Probability of fuzzy event. Review of problems (Prawdopodobieństwo zdarzenia rozmytego. Przegląd zagadnień), przedstawionej na WAS'05 Acta Univ. Lodz., Folia Oeconomica 2007. W 1978 r. Philippe Smets zaproponował tzw. g-prawdopodobieństwo zdarzenia rozmytego jako pewne uogólnienie prawdopodobieństwa tegoż zdarzenia podanego Przez Lotfi Zadeha w 1968 r. W 1980 r. Stanisław Heilpem także rozważał g-prawdopodobieństwo i analizował jego własności. W 1982 r. Ph. Smets ponownie i szeroko rozpatrywał g-prawdopodobieństwo i dowodził jego aksjomatycznych własności. W przedstawianym opracowaniu pragniemy rozpatrzyć g-prawdopodobieństwo zdarzenia dwoistorozmytego (intuicjonistycznego) i jego własności jako zgodne z aksjomatyką Kołmogorowa.
Źródło:
Acta Universitatis Lodziensis. Folia Oeconomica; 2008, 216
0208-6018
2353-7663
Pojawia się w:
Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paths to Explain Employee Job Satisfaction. A Fuzzy-Set Analysis
Autorzy:
Gębczyńska, M.
Kwiotkowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2065019.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
job satisfaction
fuzzy-set qualitative comparative analysis
SMEs
Opis:
Job satisfaction is one of the most researched topics in management literature taking into consideration the fact that it has been found out that this concept has many practical implications in the workplace. Job satisfaction is very complex phenomenon which is influenced by numerous factors. Previous studies provide a partial view of job satisfaction, because they are usually focused on the relationship between a single factor and job satisfaction, without taking a global view to indicate how different factors simultaneously affect job satisfaction. The purpose of this paper is to investigate how different factors such as: work family balance, teamwork, personal environment fit, job security and supervisor support simultaneously influence job satisfactions. The sample of the study includes employees of Polish small and medium enterprises (SMEs). Fuzzy-set qualitative comparative analysis is used to analyze data collected in surveys from 274 employees. The results contribute to research on job satisfaction by outlining several combinations of factors which create a paths to explain employee job satisfaction: (1) teamwork and supervisor support, (2) personal environment fit, job security and supervisor support with absence of work family balance, (3) work family balance, job security and supervisor support.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 569--576
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of fuzzy based VIKOR approach for multi-attribute group decision making (MAGDM): a case study in supplier selection
Autorzy:
Samantra, Ch.
Datta, S.
Mahapatra, S. S.
Powiązania:
https://bibliotekanauki.pl/articles/375940.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
supplier selection
MAGDM
fuzzy set theory
VIKOR method
Opis:
In today´s competitive global markets, selection of a potential supplier plays an important role to cut production costs as well as material costs of the company. This leads to successful survival and sustainability in a competitive marketplace. Therefore, evaluation and selection of an appropriate supplier has become an important part of supply chain management. The nature of the supplier selection process is a complex multi-attribute group decision making (MAGDM) problem which deals with both quantitative and qualitative factors may be conflicting in nature as well as contain incomplete and uncertain information. In order to solve such a kind of MAGDM problems, the development of an effective supplier selection model is evidently desirable. In this paper, an application of the VIKOR method combined with fuzzy logic has been used to solve supplier selection problems with conflicting and non-commensurable (different units) criteria, assuming that compromising is acceptable for conflict resolution. The decision maker wants a solution, which must be closest to the ideal, and the alternatives are evaluated according to all established criteria. Linguistic values are used to assess the ratings and weights for the conflicting factors. These linguistic ratings can be expressed in triangular fuzzy numbers. Then, a hierarchy MAGDM model based on fuzzy sets theory and the VIKOR method has been proposed to deal with the supplier selection problems in the supply chain system. A case study has been illustrated as an application of the proposed model.
Źródło:
Decision Making in Manufacturing and Services; 2012, 6, 1-2; 25-39
1896-8325
2300-7087
Pojawia się w:
Decision Making in Manufacturing and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Relationship between Environmental Uncertainty and Enterprise Performance. A Fuzzy-Set Analysis
Autorzy:
Kwiotkowska, A.
Gębczyńska, M.
Powiązania:
https://bibliotekanauki.pl/articles/2064981.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
environmental uncertainty
firm performance
fuzzy-set analysis
SME
Opis:
The purpose of this paper is to explore causal complexity in the relationship between environmental uncertainty and firm’s performance. Due to complexity in the external and internal environment, the relationship between environment and firm performance rests not only on a single attribute but on the interrelation and complementarities between multiple characteristics such as firm features and external factors. This study examines the influence of a firm’s specific characteristics and the dimensions of environmental uncertainty on the company’s performance. Fuzzy-set qualitative comparative analysis is used to analyze data collected via questionnaires from 58 Polish small and medium enterprises (SMEs). The results suggest that characteristics of the general business environment, as well as the firm-specific characteristics all matter to firm performance. In addition, our findings clearly demonstrate that the determination of high firm performance is underpinned by substantial interdependence among the selected conditions and complexity. Therefore, any particular condition may have a different or even opposite effect on the outcome depending on the presence or absence of other conditions. Based on this, we conclude that external environmental uncertainty characteristics, with the dimensions of competitive intensity, technological turbulence and market/demand turbulence, are not as important as the other conditions for high-performing firms. The study offers a new perspective on the relationship between environmental uncertainty and firm performance with its systematic comparative analysis of complex cases. It identifies different combinations of conditions (paths) leading to a high firm performance.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 809--816
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fuzzy relation-based approximation techniques in supporting medical diagnosis
Autorzy:
Radzikowska, A. M.
Powiązania:
https://bibliotekanauki.pl/articles/385167.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
fuzzy modal operators
fuzzy set approximations
Intuitionistic fuzzy sets
medical diagnosis
Opis:
In this paper we present an application of fuzzy approximation operators in supporting medical diagnosis. These operators are compositions of fuzzy modal operators. The underlying idea is based on the observation that approximations of fuzzy sets may be viewed as intuitionistic fuzzy sets. Reasoning scheme is determined by distances between intuitionistic fuzzy sets proposed by Szmidt and Kacprzyk.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2017, 11, 1; 21-29
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fuzzy models presentation and realization by means of relational systems
Autorzy:
Filatov, V.
Powiązania:
https://bibliotekanauki.pl/articles/410923.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
fuzzy set
fuzzy logic
fuzzy relational databases
intelligent systems
data mining
Opis:
The feature of the research is the proposed fuzzy models representation method by means of relational systems, which unlike the known approaches, can solve integrated data mining problems in databases and fuzzy systems.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2014, 3, 3; 99-102
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reduction of a Pythagorean Fuzzy Matrix to Fuzzy Matrix
Autorzy:
Venkatesan, D.
Sriram, S.
Powiązania:
https://bibliotekanauki.pl/articles/1075512.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Conjunction
Disjunction
Intuitionistic fuzzy matrix
Pythagorean fuzzy matrix
Pythagorean fuzzy set
Opis:
We have read some of the results of ∨_L and ∧_L from the Lukasiewicz type over Pythagorean fuzzy matrices. We presented four reduction operations about the Pythagorean fuzzy matrices. We associate the reduction operations to relate ∨_L and ∧_L activities.
Źródło:
World Scientific News; 2019, 129; 180-192
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fuzzy mappings
Autorzy:
Heilpern, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/747379.pdf
Data publikacji:
1983
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Fuzzy topology
Fuzzy set theory
Fixed-point and coincidence theorems
Opis:
.
Let X be the class of all fuzzy subsets of a metric space X. A fuzzy subset A is called an approximate value if A is a closed and convex fuzzy subset with supA(x)=1; the class of all such elements is denoted by W(X), and it is a metric space with the distance D(A,B)=sup dist(Aα,Bα), where Aα and Bα denote the α-level of A and B, respectively, and dist( , ) denotes the generalized Hausdorff distance [see, e.g., M. P. Chen and M. H. Shin , J. Math. Anal. Appl. 71 (1979), no. 2, 516–524; MR0548780]. The author is especially concerned with W(R). Algebraic operations in W(R) are defined and basic rules for arithmetic operations on approximate values are proved. Moreover, functions with values in W(R) are also investigated. Finally, a fixed point theorem for fuzzy mappings is stated and an example is given [for the proof see the author, ibid. 83 (1981), no. 2, 566–569; MR0641351].
Źródło:
Mathematica Applicanda; 1983, 11, 22
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Applicability of Fuzzy and Fuzzy Analytic Hierarchy Process (Fuzzy AHP) Methods to Determine the Optimum Soil Depth in Land Suitability Evaluation for Irrigated Rice
Autorzy:
Mahabadi, Nafiseh Yaghmaeian
Mahmoud Soltani, Shahram
Powiązania:
https://bibliotekanauki.pl/articles/2088177.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
multi-criteria land evaluation
fuzzy set theory
rice
yield
Opis:
The conventional Boolean logic models of land suitability assessment disregard the continuity concepts of the soil and landscape which might cause inaccurate evaluation and classification. To overcome this uncertainty and consequent constraints, the fuzzy set theories were introduced. Therefore, the current study was undertaken to estimate the optimum soil depth that is used in land suitability evaluation for irrigated rice through the fuzzy sets theory and analytic hierarchy process (fuzzy AHP) in Guilan Province, Iran. The square root and quantitative land suitability evaluation methods were employed to calculate traditional land suitability indices (for depths, 0-25, 0-50, 0-75, and 0-100 cm). Also, fuzzy and fuzzy AHP methods were used to explore new land indices. The Sarma similarity indices were used to compare the results of traditional and fuzzy methods for different soil depths. The results showed that the compatibility percentage between the representative pedons (0-100 cm) and the findings of this research (0-50 and 0-75 cm) were remarkable. Furthermore, the highest compatibility percentage of land suitability class was related to the comparison of these two former depths and 0 to 100 cm depths in each of the two used fuzzy methods. Besides, except for 0-25 cm depths, actual yield revealed a significant and positive correlation with the rest three soil pedon depths. These findings show that considering 0 to 50 cm soil depth might be a relevant alternative as the optimal depth to evaluate land suitability for rice in paddy fields in the Guilan rice-growing area. 
Źródło:
Polish Journal of Soil Science; 2021, 54, 1; 103-122
0079-2985
Pojawia się w:
Polish Journal of Soil Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 100

Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies