نتایج جستجو برای: mathematical numbers

تعداد نتایج: 402764  

1998
Michael J. Pazzani

Naive Bayesian classiiers utilise a simple mathematical model for induction. While it is known that the assumptions on which this model is based are frequently violated, the predictive accuracy obtained in discriminate classiication tasks is surprisingly competitive in comparison to more complex induction techniques. Adjusted probability naive Bayesian induction adds a simple extension to the n...

1998
Michael J. Pazzani

Naive Bayesian classiiers utilise a simple mathematical model for induction. While it is known that the assumptions on which this model is based are frequently violated, the predictive accuracy obtained in discriminate classiication tasks is surprisingly competitive in comparison to more complex induction techniques. Adjusted probability naive Bayesian induction adds a simple extension to the n...

Journal: :مهندسی صنایع 0
علیرضا پورروستا کارشناس ارشد مهندسی صنایع- دانشگاه آزاد اسلامی - واحد تهران جنوب رضا توکلی مقدم استاد دانشکده مهندسی صنایع و سیستم ها- پردیس دانشکده های فنی- دانشگاه تهران سعداله ابراهیم ن‍‍ژاد استادیار گروه مهندسی صنایع- دانشگاه آزاد اسلامی - واحد کرج

this paper proposes a new mathematical model for the integrated procurement-production-distribution problem of a fuzzy mixed integer linear programming (fmilp) type. considering the uncertainty in real problems, a number of parameters such as demand, capacity, and cost where their values are not available or known precisely, have been considered as trapezoidal fuzzy numbers. to solve fuzzy mixe...

A. Kaveh , V.R. Mahdavi,

Endurance Time Acceleration Functions are specially predesigned intensifying excitation functions that their amplitude increases with time. On the other hand, wavelet transform is a mathematical tool that indicates time variations of frequency in a signal. In this paper, an approach is presented for generating endurance time acceleration functions (ETAFs) whose response spectrum is compatible w...

In classical transport models, it is always assumed that parameters such as the distance from each supply node to each demand node or the cost of transferring goods from one node to another, as well as quantities such as supply and demand are definite and definite amounts. But in real matters, considering these assumptions is not logical. On the other hand, there may be a real problem in mathem...

A‎s we know, developing mathematical models and numerical procedures that would appropriately treat and solve systems of linear equations where some of the system's parameters are proposed as fuzzy numbers is very important in fuzzy set theory. For this reason, many researchers have used various numerical methods to solve fuzzy linear systems. In this paper, we define the concepts of midpoint a...

Journal: :journal of optimization in industrial engineering 2010
jafar razmi reza tavakoli moghaddam mohammad saffari

this paper presents a mathematical model for a flow shop scheduling problem consisting of m machine and n jobs with fuzzy processing times that can be estimated as independent stochastic or fuzzy numbers. in the traditional flow shop scheduling problem, the typical objective is to minimize the makespan). however,, two significant criteria for each schedule in stochastic models are: expectable m...

2008
A. A. Kirillov

In a role of numbers can occur not only elements of a field or a skewfield. In this part I talk about other mathematical objects which are used as numbers. It is interesting that all of them had appeared first in “pure” mathematics and later were used in mathematical physics and some other applications. It support the thesis that there is only one mathematics in which some domains have already ...

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