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In this paper,we discuss the problem for seeking the solution on the firstkind ill—posed operator eguation Au=f with discontinuity of A~(-1) in the spaceW_2~1.Using the regenerating kernel,we introduce the concept of the formal solu-tion of(the eguation) Au=f,and obtain the stable numerical solution from thepartial sum of the formal solution、Therefore,the process using the method ofregularity and quasi-solution for seeking functional minimum to obtain the numerical solution can be omited. 相似文献
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