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Wyszukujesz frazę "Raina, Ather Aziz" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Markovian Epidemic Queueing Model with Exposed, Infection and Vaccination based on Treatment
Autorzy:
Singh, Ram
Preeti, Preeti
Raina, Ather Aziz
Powiązania:
https://bibliotekanauki.pl/articles/1166188.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Epidemic Model
Infection
Markov model
Runge kutta method
Vaccination
Opis:
In this investigation, an epidemic Markov queueing model with alert, infection, vaccination and death has been considered. The main focus of this work is on the vaccination to provide the infection in a population. Healthy person may be affected from some disease that may cause death. The vaccination is the power tool for the prevention of the diseases spreading over the population size. Healthy person become alert when symptoms of the disease can be seen on them and the alert may be injected due to more infection. The provision of vaccination is provided in both alert and infected stages. The transition rates as followed by exponential distribution. A Markov model is developed by using inflow and outflow transition rates of the model. The transient state probabilities are evaluated by solving the transient state equations by using runge kutta method which are further used for calculating the model performances. A numerical illustration is also provided to validate the model.
Źródło:
World Scientific News; 2018, 106; 141-150
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fuzzy multi-objective supplier selection problem in a supply chain
Autorzy:
Kamal, Murshid
Gupta, Srikant
Raina, Ather Aziz
Powiązania:
https://bibliotekanauki.pl/articles/1177774.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Fuzzy Goal Programming
Multi-objective Optimization
Supplier Selection Problem
Opis:
The decision making of supplier selection and their allocation is one of the main concerns in supply chain management. In this paper, an attempt has been made to obtain an optimal allocation for supplier based on minimizing the net cost, minimizing the net rejections, and minimizing the net late deliveries subject to realistic constraints regarding buyer’s demand, vendors’ capacity, vendors’ quota flexibility, purchase value of items, budget allocation to individual vendor, etc. We convert the problem into single objective fuzzy goal programming problem by using weighted root power mean the method of aggregation with linear, exponential and hyperbolic membership functions. The comparison has been made by assigning different weights to the objective functions. A numerical illustration is provided for the verification of applicability of the approach.
Źródło:
World Scientific News; 2018, 100; 165-183
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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