نتایج جستجو برای: operational behavior and availability matrix

تعداد نتایج: 16952084  

The computational method based on using the operational matrix of anorthogonal function for solving variational problems is computeroriented. In this approach, a truncated Hartley series together withthe operational matrix of integration and integration of the crossproduct of two cas vectors are used for finding the solution ofvariational problems. Two illustrative...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

2009
James Young

24 Changes are needed to make significant improvements to operational availability and must be considered as early as possible during the design cycle; however, after initial system development, design changes are typically cost-prohibitive. The Department of Defense needs to ensure maintenance and supportability are considered during all phases of the system development cycle, particularly dur...

2009
James Young

24 Changes are needed to make significant improvements to operational availability and must be considered as early as possible during the design cycle; however, after initial system development, design changes are typically cost-prohibitive. The Department of Defense needs to ensure maintenance and supportability are considered during all phases of the system development cycle, particularly dur...

Journal: :bulletin of the iranian mathematical society 0
a. golbabai school of mathematics‎, ‎iran‎ ‎university of science and technology‎, ‎p‎.‎o‎. ‎box 16846-13114‎, ‎tehran‎, ‎iran. s. p. a. beik school of mathematics‎, ‎iran‎ ‎university of science and technology‎, ‎p‎.‎o‎. ‎box 16846-13114‎, ‎tehran‎, ‎iran d. k. salkuyeh faculty of mathematical sciences‎, ‎university of guilan‎, ‎rasht‎, ‎iran

abstract. the main contribution of the current paper is to propose a new effective numerical method for solving the first-order linear matrix differential equations. properties of the legendre basis operational matrix of integration together with a collocation method are applied to reduce the problem to a coupled linear matrix equations. afterwards, an iterative algorithm is examined for solvin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - پژوهشکده زبانشناسی 1389

a professional is someone whose work involves performing a certain function with some degree of expertise. but a narrower definition limits the term to apply to people such as teachers and doctors, whose expertise involves not only skill and knowledge but also the exercise of highly sophisticated judgment, and whose accreditation necessitates extensive study, often university-based as well as p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده ادبیات و علوم انسانی 1392

an investigation into oral interaction in language classes: a conversation analytic point of view the aim of this thesis is to analyze the interaction between language teachers and students in english language institutes. this work is done in the context of yasuj city. learning another language, which is in most cases english, involves many variables. one of these variables is the linguistic...

K. ‎Maleknejad‎ R. Ezzati, R. Jafri

In this paper‎, ‎first‎, ‎a numerical method is presented for solving a class of linear Fredholm integro-differential equation‎. ‎The operational matrix of derivative is obtained by introducing hybrid third kind Chebyshev polynomials and Block-pulse functions‎. ‎The application of the proposed operational matrix with tau method is then utilized to transform the integro-differential equations to...

Journal: :wavelets and linear algebra 0
ataollah askari hemmat depatrment of mathematics graduate university of advanced technology tahereh ismaeelpour shahid bahonar university of kerman habibollah saeedi shahid bahonar university of kerman, kerman, iran

in this work, we proposed an ef ective method based on cubic and pantic b-spline scaling functions to solve partial di fferential equations of frac- tional order. our method is based on dual functions of b-spline scaling func- tions. we derived the operational matrix of fractional integration of cubic and pantic b-spline scaling functions and used them to transform the mentioned equations to a ...

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