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A comprehensive theory of the matrix linear equation AX + XB = C is presented. The equation is viewed as a vector equation LX = C in the vector space of all m × n matrices. As the main result, two ...
Anping Liao, Yuan Lei, OPTIMAL APPROXIMATE SOLUTION OF THE MATRIX EQUATION AX B = C OVER SYMMETRIC MATRICES, Journal of Computational Mathematics, Vol. 25, No. 5 (September 2007), pp. 543-552 ...