نتایج جستجو برای: continuous model

تعداد نتایج: 2309834  

Journal: :sahand communications in mathematical analysis 0
mahdiyeh khayyami department of mathematics, science and research branch, islamic azad university, kerman, iran. akbar nazari department of mathematics, science and research branch, islamic azad university, kerman, iran.

a generalization of the known results in fusion frames and $g$-frames theory to continuous fusion frames which defined by m. h. faroughi and r. ahmadi, is presented in this study. continuous resolution of the identity (cri) is introduced, a new family of cri is constructed, and a number of reconstruction formulas are obtained. also, new results are given on the duality of continuous fusion fram...

Journal: :iranian journal of cancer prevention 0
mr baneshi health school, kerman university of medical sciences, department of biostatistics and epidemiology, kerman, iran ar talei shahid faghihi hospital, shiraz university of medical sciences, shiraz, iran

background: in medical research, dichotomisation of continuous variables is a widespread use approach. however, it has been argued that dichotomisation might be waste of information. the aim of this paper is to review the main methods to dichotomise continuous data, to address practical issues around dichotomisation methods, and to investigate whether dichotomisation is always a bad idea. metho...

A model for missing data in mixed binary and continuous responses, which can be used on cross-sectional data, is presented. In this model response indicator for the binary response can be dependent on the continuous response. A closed form for the likelihood is found. For data with a complicated pattern of missing responses some new residuals are also proposed. The model of multiplicative heter...

M. Rabbani,

In most stochastic inventory models, such as continuous review models and periodic review models, it has been assumed that the stockout period during a cycle is small enough to be neglected so that the average number of cycles per year can be approximated as D/Q, where D is the average annual demand and Q is the order quantity. This assumption makes the problem more tactable, but it should not ...

M. Rabbani,

In most stochastic inventory models, such as continuous review models and periodic review models, it has been assumed that the stockout period during a cycle is small enough to be neglected so that the average number of cycles per year can be approximated as D/Q, where D is the average annual demand and Q is the order quantity. This assumption makes the problem more tactable, but it should not ...

Journal: :AI in Engineering 1997
Josiah Poon Mary Lou Maher

Evolution as a metaphor borrowed from nature can be used to describe a design process. However, this has generally been applied to the evolution of a solution which assumes the problem does not change throughout the process. This is a naive assumption in design because the problem indeed changes. This paper considers the evolution of both the problem and solution and introduces co-evolutionary ...

2005
You-gang Feng Jia Guan

We found that the differential topology of the lattice-system Ising model determines whether there can be the continuous phase transition, The geometric topology of the space the lattice-system is embedded in determines whether the system can become ordered. If the system becomes ordered it may not admit the continuous phase transition. The spin-projection orientations are strongly influenced b...

Journal: :Journal of Ambient Intelligence and Smart Environments 2012

Journal: :Journal of Research of the National Bureau of Standards Section B Mathematics and Mathematical Physics 1960

Journal: :Mathematical and Computer Modelling 1989

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