Complexity theory is a branch of computer science that studies the resources required to solve computational problems, particularly focusing on the classification of problems based on their inherent ...

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A new method, called the QZ algorithm, is presented for the solution of the matrix eigenvalue problem Ax = λ Bx with general square matrices A and B. Particular attention is paid to the degeneracies ...

Low-rank matrix approximations, such as the truncated singular value decomposition and the rank-revealing QR decomposition, play a central role in data analysis and scientific computing. This work ...