نتایج جستجو برای: Linear Equation

تعداد نتایج: 677794  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - دانشکده علوم پایه 1392

در این پایان نامه بر مقاله ی an iterative method for the symmetric and skew symmetric solutions of a linear matrix equation axb+cyd =e نوشته ی xingping sheng و guoliang chen، مروری داشته ایم. در این مقاله دو روش تکراری برای حل معادله ی ماتریسی خطی axb+cyd=e ارائه شده است. روش اول جواب معادله را به صورت متقارن و روش دوم جواب معادله را به صورت پادمتقارن ارائه می دهد. تعدادی مثال های عددی را با...

In this paper, we intend to solve special kind of ordinary differential equations which is called Heun equations, by converting to a corresponding stochastic differential equation(S.D.E.). So, we construct a stochastic linear equation system from this equation which its solution is based on computing fundamental matrix of this system and then, this S.D.E. is solved by numerically methods. Moreo...

Journal: :journal of linear and topological algebra (jlta) 2012
h. r. rezazadeh m maghasedi b shojaee

in this paper, we intend to solve special kind of ordinary differential equations which is called heun equations, by converting to a corresponding stochastic differential equation(s.d.e.). so, we construct a stochastic linear equation system from this equation which its solution is based on computing fundamental matrix of this system and then, this s.d.e. is solved by numerically methods. mo...

Journal: :journal of linear and topological algebra (jlta) 0
sh safari sabet department of mathematics, islamic azad university, central tehran branch, tehran, iran m farmani department of mathematics, islamic azad university, central tehran branch, tehran, iran o khormali mathematics and informatics research group, acecr, tarbiat modares university, p. o. box: 14115-343, tehran, iran a mahmiani department of mathematics, payame noor university, 19395-4797, tehran, iran z bagheri islamic azad university branch of azadshaher, azadshaher, iran

the edge detour index polynomials were recently introduced for computing theedge detour indices. in this paper we nd relations among edge detour polynomials for the2-dimensional graph of tuc4c8(s) in a euclidean plane and tuc4c8(s) nanotorus.

Journal: :international journal of nonlinear analysis and applications 2015
abbas javadian

we prove the generalized hyers--ulam stability  of n--th order linear differential equation of the form $y^{(n)}+p_{1}(x)y^{(n-1)}+ cdots+p_{n-1}(x)y^{prime}+p_{n}(x)y=f(x)$, with condition that there exists a non--zero solution of corresponding homogeneous equation. our main results extend and improve the corresponding results obtained by many authors.

Journal: :Quarterly of Applied Mathematics 1949

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 شهید بهشتی 1388

چکیده ندارد.

Journal: :bulletin of the iranian mathematical society 2014
masoud hajarian

in this work‎, ‎an iterative method based on a matrix form of lsqr algorithm is constructed for solving the linear operator equation $mathcal{a}(x)=b$‎ ‎and the minimum frobenius norm residual problem $||mathcal{a}(x)-b||_f$‎ ‎where $xin mathcal{s}:={xin textsf{r}^{ntimes n}~|~x=mathcal{g}(x)}$‎, ‎$mathcal{f}$ is the linear operator from $textsf{r}^{ntimes n}$ onto $textsf{r}^{rtimes s}$‎, ‎$ma...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1386

چکیده ندارد.

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