Hessenberg and Tridiagonal Matrices Toby Walsh Responding to the Culture of

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Hessenberg and Tridiagonal Matrices Toby Walsh Responding to the Culture ofThis is the only book devoted exclusively to Hessenberg and tridiagonal matrices. Hessenberg matrices are involved in Krylov methods for solving linear systems or computing eigenvalues and eigenvectors, in the QR algorithm for computing eigenvalues, and in many other areas of scientific computing (for instance, control theory). Matrices that are both upper and lower Hessenberg are tridiagonal. Their entries are zero except for the main diagonal and