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annotate arpack-ng/description.txt @ rev 21765
updated frogatto and frogatto-data (1.1.1 -> 1.3.1)
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Hans-G?nter Theisgen |
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Sat Jun 29 09:06:33 2019 +0100 (2019-06-29) |
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hackdorte@20008
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1 ARPACK software is capable of solving large scale symmetric, nonsymmetric,
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2 and generalized eigenproblems from significant application areas. The
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3 software is designed to compute a few (k) eigenvalues with user specified
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4 features such as those of largest real part or largest magnitude. Storage
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5 requirements are on the order of n*k locations. No auxiliary storage is
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6 required. A set of Schur basis vectors for the desired k-dimensional
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7 eigen-space is computed which is numerically orthogonal to working precision.
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8 Numerically accurate eigenvectors are available on request.
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