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- ____OOOORRRRTTTTHHHHEEEESSSS((((3333FFFF)))) ____OOOORRRRTTTTHHHHEEEESSSS((((3333FFFF))))
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- NNNNAAAAMMMMEEEE
- ORTHES, SORTHES - EISPACK routine. Given a REAL GENERAL matrix, this
- subroutine reduces a submatrix situated in rows and columns LOW through
- IGH to upper Hessenberg form by orthogonal similarity transformations.
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- SSSSYYYYNNNNOOOOPPPPSSSSYYYYSSSS
- ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee oooorrrrtttthhhheeeessss((((nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh,,,, aaaa,,,, oooorrrrtttt))))
- iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh
- ddddoooouuuubbbblllleeee pppprrrreeeecccciiiissssiiiioooonnnn aaaa((((nnnnmmmm,,,,nnnn)))),,,, oooorrrrtttt((((iiiigggghhhh))))
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- ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee ssssoooorrrrtttthhhheeeessss((((nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh,,,, aaaa,,,, oooorrrrtttt))))
- iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh
- rrrreeeeaaaallll aaaa((((nnnnmmmm,,,,nnnn)))),,,, oooorrrrtttt((((iiiigggghhhh))))
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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.
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- LLLLOOOOWWWW and IGH are integers determined by the balancing subroutine BALANC.
- If BALANC has not been used, set LOW=1, IGH=N.
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- AAAA contains the input matrix. On OUTPUT
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- AAAA contains the Hessenberg matrix. Information about the orthogonal
- transformations used in the reduction is stored in the remaining triangle
- under the Hessenberg matrix.
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- OOOORRRRTTTT contains further information about the transformations. only elements
- LOW through IGH are used. 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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