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廖安平
高等学校计算数学学报,2004,26(2)156~161,-0001,():
-1年11月30日
In this paper we give some sufficient conditions and some necessary conditions under which the matrix equation X + A*X-nA=I has a positive deft-nite solution. An iterative method which converges to a positive definite solution of this equation is constructed. And an error estimate formula on this iterative method is also derived.
matrix equation, positive definite matrix, iterative method.
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