‎‎in this article‎, ‎a new method is introduced to give approximate solution to van der pol equation‎. ‎the proposed method is based on the combination of two different methods‎, ‎the spectral adomian decomposition method (sadm) and piecewise method‎, ‎called the piecewise adomian decomposition method (psadm)‎. ‎the numerical results obtained from the proposed method show that this method is an...

This paper deals with the measurement of a service or product quality using Customer Satisfaction Survey results. Many different methods are used to analyse customer satisfaction data. Some use statistical models which estimate the relationship between the latent and manifest variables (LISREL, PLS, etc.), whilst others use dimensionality reduction methods (FA, PCA, etc.). All of these methods ...

This paper presents a multi-criteria vehicle routing problem with soft time windows (VRPSTW) to minimize fleet cost, routes cost, and violation of soft time windows penalty. In this case, the fleet is heterogeneous. The VRPSTW consists of a number of constraints in which vehicles are allowed to serve customers out of the desirable time window by a penalty. It is assumed that this relaxation aff...

This paper studies a routing problem in a multimodal network with shipment consolidation options. A freight forwarder can use a mix of flexible-time and scheduled transportation services. Time windows are a prominent aspect of the problem. For instance, they are used to model opening hours of the terminals, as well as pickup and delivery time slots. The various features of the problem can be de...

customer is the axis of organizations' activities and the mission of all modern organizations is based on the customer. quality as a concern and concept of management is defined in relation to customer satisfaction. regarding the common purpose of customer knowledge management and quality function development technique, this research is to evaluate automobile industry emphasizing the types of c...

Despite the diverse strategies being implemented to address the challenges of fixed capacity in an increasing demand context, there are limitation to the level these strategies can be implemented. In this context, Qureshi, Bhatti, Khan, & Zaman, (2014) in a study on measuring queuing system and time standards notes that an increase in capacity is not cost effective in the long run. This is beca...

in this study, the satisfaction index of new product attribute in terms of development strategy, which includes a number of options for development using kano questionnaire, in the automotive industry was calculated, and according to the relationship between satisfaction and loyalty, instead of loyalty index, we was used satisfaction kano index . then using customer purchase records data within...

The choice network revenue management (RM) model incorporates customer purchase behavior as customers purchasing products with certain probabilities that are a function of the offered assortment of products, and is the appropriate model for airline and hotel network revenue management, dynamic sales of bundles, and dynamic assortment optimization. The underlying stochastic dynamic program is in...

Customer satisfaction is very important for business development. Inti Tani Utama Sambi Agricultural Store one of the shops in agricultural sector that has problems with poor service quality and too expensive prices. This makes customer feel unsatisfied. study uses quantitative techniques descriptive analysis. The sampling technique used accidental using Slovin formula. number samples from this...

today, organizations continuously try to find the ways to gain loyal customers because of their advantages. customer to customer interactions has attracted more attention among marketers in which customer-to-customer interactions has been known as one of the most important methods of creating loyal customers. the present paper seeks to propose a service model developed in traveling and tourism ...