Inverses of banded and k-Hessenberg matrices (Q1085241)

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scientific article; zbMATH DE number 3981354
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Inverses of banded and k-Hessenberg matrices
scientific article; zbMATH DE number 3981354

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    Inverses of banded and k-Hessenberg matrices (English)
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    1987
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    The general case of stable and unstable linear systems involving tridiagonal and k-Hessenberg matrices is taken into consideration. In this investigation the elements of inverses of banded matrices are obtained proving two theorems. The results of the paper are general and useful for solving stable or unstable linear systems.
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    inverse of a banded matrix
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    tridiagonal matrix
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    stable linear systems
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    Hessenberg matrices
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    banded matrices
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    unstable linear systems
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