نتایج جستجو برای: websters equation

تعداد نتایج: 229707  

Journal: :journal of sciences islamic republic of iran 0

existence of periodic solutions for non-linear third order autonomous differential equation (o.d.e.) has not been investigated to as large an extent as non-linear second order. the popular poincare-bendixon theorem applicable to second order equation is not valid for third order equation (see [3]). this conclusion opens a way for further investigation.

Journal: :Current Developments in Mathematics 2015

Journal: :Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 2013

Journal: :Progress of Theoretical Physics 2000

Journal: :international journal of industrial mathematics 0
m. a. fariborzi araghi department of mathematics, islamic azad university, central tehran branch, p.o. box 13185.768, tehran, iran s. yazdani department of mathematics, islamic azad university, central tehran branch, p.o. box 13185.768, tehran, iran

in this paper, we present a method for solving the rst kind abel integral equation. in thismethod, the rst kind abel integral equation is transformed to the second kind volterraintegral equation with a continuous kernel and a smooth deriving term expressed by weaklysingular integrals. by using sidi's sinm - transformation and modi ed navot-simpson'sintegration rule, an algorithm for...

2011
PETER KUNKEL VOLKER MEHRMANN V. Mehrmann

For regular strangeness-free linear differential-algebraic equations (DAEs) the definition of an adjoint DAE is straightforward. This definition can be formally extended to general linear DAEs. In this paper, we analyze the properties of the formal adjoints and their implications in solving linear-quadratic optimal control problems with DAE constraints.

2011
Lung-Yu Chang Ching-Lin Huang

This study aims to explore the causal relationship between e-word-of-mouth (e-WOM) and its influence on purchase decisions through structural equation modeling (SEM). Five constructs were formulated through literature review: expertise, search extent, own experience, trustworthiness, and e-WOM effect. Results of this study show that four constructs all have positive influence on e-WOM effect, a...

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