نتایج جستجو برای: parametric programming
تعداد نتایج: 388040 فیلتر نتایج به سال:
Polytypic programs are programs that are parameterised by type constructors (like List), unlike polymorphic programs which are parameterised by types (like Int). In this paper we formulate precisely the polytypic programming problem of \commut-ing" two datatypes. The precise formulation involves a novel notion of higher order polymorphism. We demonstrate via a number of examples the relevance a...
In real world applications the supply, the demand and the transportation cost per unit of the quantities in a transportation problem are hardly specified precisely because of the changing economic and environmental conditions. It is also important that the time required for transportation should be minimum. In this paper a method has been proposed for the minimization of transportation cost as ...
Background and Aim: By definition, the ratio of output to input in any firm is called efficiency. In general, there are two main approaches for measuring efficiency ─ parametric and non-parametric. The objective of this study was to assess the efficiency of Health Services Workshops in Iran in 2006.Methods and Materials: The efficiency of Health Services Workshops in Iran in 2006 was assessed u...
The main goal of this research is to calculate VaR index with parametric Markov-Switching GARCH approach for accepted companies in Tehran Stock Exchange and also selecting the optimal portfolio of their stocks. To calculate the index, data and information of weekly stock price of 10 representative firms during the period 2008-2014 has been used which account for 332 working weeks.The results fr...
Nowadays, the prediction of river discharge is one of the important issues in hydrology and water resources; the results of daily river discharge pattern could be used in the management of water resources and hydraulic structures and flood prediction. In this research, Gene Expression Programming (GEP), parametric Linear Regression (LR), parametric Nonlinear Regression (NLR) and non-parametric ...
Reference types are very useful structures enabling handling with dynamic memory. In this paper we extend categorical model of type system with reference data type. We illustrate our approach on simple functional programming language T-NBL extended with reference type. After constructing parametric algebraic specification we construct categorical model of reference type and we show how our resu...
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