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- ____RRRREEEEBBBBAAAAKKKK((((3333FFFF)))) ____RRRREEEEBBBBAAAAKKKK((((3333FFFF))))
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- NNNNAAAAMMMMEEEE
- REBAK, SREBAK - EISPACK routine. This subroutine forms the
- eigenvectors of a generalized SYMMETRIC eigensystem by back transforming
- those of the derived symmetric matrix determined by REDUC.
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- SSSSYYYYNNNNOOOOPPPPSSSSYYYYSSSS
- ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee rrrreeeebbbbaaaakkkk((((nnnnmmmm,,,, nnnn,,,, bbbb,,,, ddddllll,,,, mmmm,,,, zzzz))))
- iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, nnnn,,,, mmmm
- ddddoooouuuubbbblllleeee pppprrrreeeecccciiiissssiiiioooonnnn bbbb((((nnnnmmmm,,,,nnnn)))),,,, ddddllll((((nnnn)))),,,, zzzz((((nnnnmmmm,,,,mmmm))))
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- ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee ssssrrrreeeebbbbaaaakkkk((((nnnnmmmm,,,, nnnn,,,, bbbb,,,, ddddllll,,,, mmmm,,,, zzzz))))
- iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, nnnn,,,, mmmm
- rrrreeeeaaaallll bbbb((((nnnnmmmm,,,,nnnn)))),,,, ddddllll((((nnnn)))),,,, zzzz((((nnnnmmmm,,,,mmmm))))
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- On Input
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- NNNNMMMM must be set to the row dimension of two-dimensional array parameters
- as declared in the calling program dimension statement.
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- NNNN is the order of the matrix system.
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- BBBB contains information about the similarity transformation (Cholesky
- decomposition) used in the reduction by REDUC in its strict lower
- triangle.
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- DDDDLLLL contains further information about the transformation.
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- MMMM is the number of eigenvectors to be back transformed.
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- ZZZZ contains the eigenvectors to be back transformed in its first M
- columns. On Output
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- ZZZZ contains the transformed eigenvectors in its first M columns.
- Questions and comments should be directed to B. S. Garbow, APPLIED
- MATHEMATICS DIVISION, ARGONNE NATIONAL LABORATORY
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- PPPPaaaaggggeeee 1111
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