In recent years we have developed a parallel method for mathematical physics problems. It is the method of parametric extrapolation. In this paper we give an overview of our results concern ing this method for constructing parallel algorithms for some problems of mathematical physics. Torn tlit. Trong n h iing n arn gan day ch ung toi d a ph at trie'n mot ph u'o'ng ph ap song song gili mot so bai torin bien cii a v at Iy-toano Do la ph tro'rig ph ap ngoai suy theo t ham so. Bai b ao nay Ii tc!ng qu an c ac ket quti nghien ctru cii a chung toi lien quan den ph u'o'ng ph ap nay de' xfiy du'ng c ac th ufit toan song song giai mot so bai to.in bien cho ph trong trlnh elliptic cap hai v a cap bon o• rnu'c vi phfm cling nh ir o• rmrc roi r ac. Dordrecht-Kluwer Acad. Publ., 1995. [29) Zhu Jialin, Domain decomposition methods with boundary elements, In book: Boundary Element Methods, Proc. of the Fifth Japan-China Symposium on Boundary Element Methods,
Abstract. In this paper we propose an extrapolation method by a spectrum shift parameter for solving degenerate system of linear algebraic equations. An estimate of the computational work for achieving the normal solution with a given accuracy as well as the advantages of the method are shown theoretically and on examples.T6m t~t. Trong bai nay chung t5i de xuat phiro'ng ph ap ngoai suy theo tham s6 dich chuygn ph5 M giii h~phtro-ng trlnh dai s6 tuyen tinh suy bien, trrrc hro'ng kh6i hrong tinh toan c'an thiet M dat dtro'c nghiem chu.rn tltc v&i d9 chinh xac cho triro'c cling nhir tinh iru vi~t ctia phirong phap du'o'c chi ra bhg ly thuydt va b~ng cac vi du.
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