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Home > Ranking of Alternatives in Multi-Criteria Decision-Making by Using Interval-Valued Triangular Fuzzy Numbers With Comet Method

Ranking of Alternatives in Multi-Criteria Decision-Making by Using Interval-Valued Triangular Fuzzy Numbers With Comet Method

Thesis Info

Access Option

External Link

Author

Samee Ullah

Institute

Virtual University of Pakistan

Institute Type

Public

City

Lahore

Province

Punjab

Country

Pakistan

Thesis Completing Year

2019

Thesis Completion Status

Completed

Subject

Software Engineering

Language

English

Link

http://vspace.vu.edu.pk/detail.aspx?id=328

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676721024767

Similar


MCDM was established to deal with various types of applications of daily life and is considered as a valuable tool that can be applied to many complex decision-making problems. With the inception of the new techniques and approaches in MCDM to achieve an optimal solution, methods like TOPSIS, AHP, ANP, COMET, etc. were developed and modi?ed. Such methods adopt di/erent approaches to the use of TFNs, GFNs, trapezoidal fuzzy numbers, HFNs etc. for decision-making. Sometimes these methods and approaches of MCDM produce results that may be questionable, uncertain and unpredictable. Also, such approaches disregard the concerns of vagueness, ambiguity and rank reversal paradox. On the other hand, these concerns are of fundamental nature and act as challenges in MCDM methods. COMET was designed to counter uncertainty and vagueness while dealing with problems of MCDM. The COMET method is basically immune to the pivotal challenge of rank reversal paradox, but yet classical COMET has not been designed for uncertain and decisional problems. In this research e/ort IVTFNs and IVIFNs are used for the purpose of decision making with COMET method for ranking of alternatives in a more suitable way in the presence of vagueness and uncertainty which are basically the extensions of the classical COMET method. Furthermore, a comparative analysis will be carried out to compare the solution of the proposed method with the result as obtained in TOPSIS method
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دیباچہ

یہ وہ دعا ہے جو والدین نے سب سے پہلے سکھائی تھی۔ والدہ محترمہ جب بھی کھانا دیتی تھیں تو پہلے یہی پوچھتی تھیں کہ دعا پڑھ لی؟ والد محترم تو جلی حروف میں یہ دعا پڑھتے اور کھانا شروع کرتے ۔ یہ ہے پرانے وقتوں میں سکھانے کا انداز ۔ دعا کا تو ذکر آ گیا ورنہ ہر گھر میں بڑی بوڑھیاں تربیت کے یہی گر اختیار کرتی تھیں اور اس کے نتائج بھی شاندار رہتے تھے۔ انتساب والدین کے نام کرنے کا مقصد یہ ہے کہ خدا کی حمد و ثنا اور خاتم النبیین ؐ، رحمت اللعالمیؐن پر درود و سلام کے بعد اپنے اپنے والدین کو یاد کیجیے۔ اگر وہ حیات ہیں تو ان کی درازی عمر کے لیے دعا کیجیے اور اگر اس دنیا سے رخصت ہو چکے ہیں تو ان کے لیے دعا کیجیے کہ اے رب ہمارے والدین کی قبروں کو جنت کے باغوں میں سے ایک باغ بنا دے اور ان کے لیے جنت کی راہیں آسان بنا دے۔ آمین ثم آمین۔
فکر اقبال متعدد صفات سے متصف ہے۔ اقبال نے اپنے افکار کی پرورش کے لیے اردو اور فارسی شاعری کا ذریعہ اختیار کیا ۔ دونوں جگہ اقبال کی شاعری کا نکتہ توحید، رسالت اور امت مسلمہ کی بیداری رہا۔ اس کے لیے اقبال کبھی خودی کا راستہ سجھاتے دکھائی دیتے ہیں تو کہیں شاہین و عقاب کہہ کر نو جوانوں کا لہو گرماتے ہیں۔ کبھی جذبہ حریت بیدارکرتے دکھائی دیتے ہیں تو کبھی غیرت کو بڑی چیز قرار دے کر حوصلہ بلند کرتے دکھائی دیتے ہیں۔ میر کارواں کو دل نوازی کا درس دیا تا کہ عوام نہ تو حرم سے بدگماں ہو اور نہ ہی کارواں سے ٹوٹنے کا خیال اس کے دل میں جگہ پاسکے۔ رخت سفر کے لیے میر کارواں کو درس دیا کہ وہ...

GENERALIZED ANXIETY DISORDER AND ITS ASSOCIATED FACTORS AMONG FEMALE STUDENTS

Background and Aim: To determine the Generalized Anxiety Disorder and its association with factors like hormonal changes, chronic illness among female students of university. Methodology: Perceptions and preferences of Female Students were determined in well-organized Institute (Superior University) with ages between 16-28 years old of all disciplines. Electronic self-administrated questionnaires consisting of two parts; demographics factors (Age, Gender, Designation, education Discipline, socioeconomic status and medical history) and Generalized Anxiety Disorder GAD-7, were then filled by the participated female students with sample size of 231. Then the perceptions and preferences were evaluated using a pre validated questionnaire (GAD-7) from previous research article. Results: A total of 231 responses were returned. All respondents were females. About (62.7%) of total respondents reported feeling nervous, anxious, or on edge to some degree; 10% of respondents said that they experience this feeling nearly every day. A significant proportion of respondents reported mild to moderate anxiety levels. The mean score of anxiety scale was 3.87±3.32 with minimum and maximum score of 0 and 19. The study findings give us a better considerate that Traumatic disorders (39.4 %), hormone issues (45.2%), were the main causes of anxiety. 39.8% indicated that they had a family history of anxiety. Overall, moderate to high levels of anxiety among the participants were observed. Conclusion: These results illustrate the need to devise treatment strategies to alleviate symptoms of generalized anxiety and reduce the prevalence of Generalized Anxiety Disorder among students. It is suggested that to decrease the level of anxiety among university students, regular counseling sessions should be implemented.

A Power Efficient Data Volume Based-Mobile Data Collection Dv-Mdc in Wireless Sensor Networks Wsns

The Wireless Sensor Networks (WSNs) is a vast and widespread domain of computer networks. WSNs have appeared as one of the most attractive domain for the future research and are one of the most researched domains during the last decade. The WSNs have some inherent limitation like limited bandwidth and extreme energy constraint etc. These limitations challenge the research community to devise optimum operating environment for WSNs. Data gathering in WSNs is of prime importance considering these limitations and it is desirable to devise efficient schemes for data gathering. In order to optimize the operating environment of WSNs, the inherent limitations (limited bandwidth, extreme energy constraint, etc.) are required to be tackled efficiently. The data gathering and transmission operations of WSNs are major energy utilizers, hence these operations of WSNs are required to be optimized. In this research, a new scheme of data gathering for WSNs based upon the amount of data volume sensed by the sensors has been proposed. The sensors send a one bit beacon message to indicate the availability of sensed data in their buffer. DV-MDC exploits this fact and visits only those nodes which have generated some data during a particular round. Consequently, unnecessary visits to the nodes are avoided which leads to energy efficiency. The MDC visits only those sensors which had sensed the data and not the entire sensor field. The proposed data gathering scheme has been validated with the help of simulation. The simulation results show that DV-MDC offers better performance in terms of throughput and energy efficiency. The results are also validated by a comprehensive comparative analysis.