The explicit solution of the matrix equation AX−XB=C
Almost all of the existing results on the explicit solutions of the matrix equation AX−XB=C are obtained under the condition that A and B have no eigenvalues in common. For both symmetric or skewsymmetric matrices A and B, we shall give out the explicit general solutions of this equation by using the notions of eigenprojections. The results we obtained are applicable not only to any cases of eigenvalues regardless of their multiplicities, but also to the discussion of the general case of this equation.
Key wordsmatrix equation explicit solution eigenprojection matrix square-product
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- Gao Weixing, Continued-fraction solution of matrix equationAX−XB=C, Scientia Sinica Ser. A.,32, (1989), 1025–1035.Google Scholar