version 1.4, 2010/08/06 15:32:43
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version 1.8, 2011/07/22 07:38:17
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$ GIVPTR, GIVCOL, GIVNUM, WORK, RWORK, IWORK, |
$ GIVPTR, GIVCOL, GIVNUM, WORK, RWORK, IWORK, |
$ INFO ) |
$ INFO ) |
* |
* |
* -- LAPACK routine (version 3.2) -- |
* -- LAPACK routine (version 3.3.1) -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* November 2006 |
* -- April 2011 -- |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER CURLVL, CURPBM, CUTPNT, INFO, LDQ, N, QSIZ, |
INTEGER CURLVL, CURPBM, CUTPNT, INFO, LDQ, N, QSIZ, |
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* eigenvalues and optionally eigenvectors of a dense or banded |
* eigenvalues and optionally eigenvectors of a dense or banded |
* Hermitian matrix that has been reduced to tridiagonal form. |
* Hermitian matrix that has been reduced to tridiagonal form. |
* |
* |
* T = Q(in) ( D(in) + RHO * Z*Z' ) Q'(in) = Q(out) * D(out) * Q'(out) |
* T = Q(in) ( D(in) + RHO * Z*Z**H ) Q**H(in) = Q(out) * D(out) * Q**H(out) |
* |
* |
* where Z = Q'u, u is a vector of length N with ones in the |
* where Z = Q**Hu, u is a vector of length N with ones in the |
* CUTPNT and CUTPNT + 1 th elements and zeros elsewhere. |
* CUTPNT and CUTPNT + 1 th elements and zeros elsewhere. |
* |
* |
* The eigenvectors of the original matrix are stored in Q, and the |
* The eigenvectors of the original matrix are stored in Q, and the |