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   Accelerated Normal and Skew-Hermitian Splitting Methods For Positive Definite Linear Systems  
   
نویسنده Toutounian F ,Hezari Davood
منبع Iranian Journal Of Numerical Analysis And Optimization - 2013 - دوره : 3 - شماره : 1 - صفحه:31 -44
چکیده    For solving large sparse non-hermitian positive definite linear equations, bai etal. proposed the hermitian and skew-hermitian splitting methods (hss). they recently generalized this technique to the normal and skew-hermitian splitting methods (nss). in this paper, we present an accelerated normal and skew-hermitian splitting methods (anss) which involve two parameters for the nss iteration. we theoretically study the convergence properties of the anss method. moreover, the contraction factor of the anss iteration is derived. numerical examples illustrating the effectiveness of anss iteration are presented.
کلیدواژه Non-Hermitian Matrix ,Normal Matrix ,Hermitian Matrix ,Skew- Hermitian Matrix ,Splitting Iteration Method
آدرس Ferdowsi University Of Mashhad, هیات علمی, ایران, Ferdowsi University Of Mashhad, دانشجو, ایران
پست الکترونیکی hezari_h@yahoo.com
 
     
   
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