نتایج جستجو برای: Positive definite systems

تعداد نتایج: 1819978  

Journal: :Linear Algebra and its Applications 1979

Journal: :Journal of Differential Equations 2006

2016
Na Huang Changfeng Ma

In this paper, we further generalize the technique for constructing the normal (or positive definite) and skew-Hermitian splitting iteration method for solving large sparse nonHermitian positive definite system of linear equations. By introducing a new splitting, we establish a class of efficient iteration methods, called positive definite and semi-definite splitting (PPS) methods, and prove th...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2012
zuliang lu*

in this paper, a positive definite semi-discrete mixed finite element method was presented for two-dimensional parabolic equations. in the new positive definite systems, the gradient equation and flux equations were separated from their scalar unknown equations.  also, the existence and uniqueness of the semi-discrete mixed finite element solutions were proven. error estimates were also obtaine...

Journal: :SIAM Journal on Matrix Analysis and Applications 1988

Journal: :Journal of the Brazilian Society of Mechanical Sciences 2000

Journal: :ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik 2012

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