نتایج جستجو برای: numerical matrix method

تعداد نتایج: 2126643  

Journal: :international journal of smart electrical engineering 0

this paper is concerned with the problem of synchronization for complex dynamic networks with state and coupling time-delays. therefore, larger class and more complicated complex dynamic networks can be considered for the synchronization problem. based on the lyapunov-krasovskii functional, a delay-independent criterion is obtained and formulated in the form of linear matrix inequalities (lmis)...

Journal: :journal of linear and topological algebra (jlta) 0
r farnoosh school of mathematics, iran university of science and technology, 16844, tehran, iran. h rezazadeh school of mathematics, iran university of science and technology, 16844, tehran, iran. a sobhani school of mathematics, iran university of science and technology, 16844, tehran, iran. d ebrahimibagha department of mathematics, center branch, islamic azad university, tehran, iran.

in this paper, we present the numerical solution of ordinary di erential equations (or sdes), from each order especially second-order with time-varying and gaussian random coecients. we indicate a complete analysis for second-order equations in special case of scalar linear second-order equations (damped harmonic oscillators with additive or multi- plicative noises). making stochastic di erent...

Journal: :Proceedings of the Japan Society of Civil Engineers 1981

Journal: :SIAM J. Matrix Analysis Applications 2006
Shivkumar Chandrasekaran Patrick Dewilde Ming Gu W. Lyons T. Pals

In this paper we present a fast direct solver for certain classes of dense structured linear systems that works by first converting the given dense system to a larger system of block sparse equations and then uses standard sparse direct solvers. The kind of matrix structures that we consider are induced by numerical low rank in the off-diagonal blocks of the matrix and are related to the struct...

ژورنال: پژوهش های ریاضی 2018
Mirzaee, Farshid, Samadyar;, Nasrin,

Introduction Many problems which appear in different sciences such as physics, engineering, biology, applied mathematics and different branches can be modeled by using deterministic integral equations. Weakly singular integral equation is one of the principle type of integral equations which was introduced by Abel for the first time. These problems are often dependent on a noise source which a...

2011
FEDERICO POLONI TIMO REIS

We introduce a numerical method for the numerical solution of the so-called Lur’e matrix equations that arise in balancing-related model reduction and linear-quadratic infinite time horizon optimal control. Based on the fact that the set of solutions can be characterized in terms of deflating subspaces of even matrix pencils, an iterative scheme is derived that converges linearly to the maximal...

Journal: :international journal of nano dimension 0
s. saber samandari new technologies research centre, amirkabir university of technology, tehran, po box 1591633311, iran.

a new three-dimensional unit cell model has been developed for modeling three constituent phases including inclusion, interphase and matrix. the total elastic modulus of nano-composite is evaluated.  numerical results are in good agreement with the previous proposed theoretical modeling. higher matrix and inclusion elastic modulus both can dramatically influence the total elastic modulus.

2005
Hyo-Sung Ahn YangQuan Chen

In this report, we present a method for calculating maximum singular value of an interval matrix. First, we provide an algorithm for calculating the maximum singular value of a square interval matrix. Then, based on this algorithm, we extend the result to non-square interval matrix case. Through numerical examples, the validity of the suggested method is illustrated.

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