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IRIX 6.2 Development Libraries
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ORTRAN.z
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ORTRAN
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Text File
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1996-03-14
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3KB
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67 lines
____OOOORRRRTTTTRRRRAAAANNNN((((3333FFFF)))) ____OOOORRRRTTTTRRRRAAAANNNN((((3333FFFF))))
NNNNAAAAMMMMEEEE
ORTRAN, SORTRAN - EISPACK routine. This subroutine accumulates the
orthogonal similarity transformations used in the reduction of a REAL
GENERAL matrix to upper Hessenberg form by ORTHES.
SSSSYYYYNNNNOOOOPPPPSSSSYYYYSSSS
ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee oooorrrrttttrrrraaaannnn((((nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh,,,, aaaa,,,, oooorrrrtttt,,,, zzzz))))
iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh
ddddoooouuuubbbblllleeee pppprrrreeeecccciiiissssiiiioooonnnn aaaa((((nnnnmmmm,,,,iiiigggghhhh)))),,,, oooorrrrtttt((((iiiigggghhhh)))),,,, zzzz((((nnnnmmmm,,,,nnnn))))
ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee ssssoooorrrrttttrrrraaaannnn((((nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh,,,, aaaa,,,, oooorrrrtttt,,,, zzzz))))
iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, nnnn,,,, lllloooowwww,,,, iiiigggghhhh
rrrreeeeaaaallll aaaa((((nnnnmmmm,,,,iiiigggghhhh)))),,,, oooorrrrtttt((((iiiigggghhhh)))),,,, zzzz((((nnnnmmmm,,,,nnnn))))
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
On INPUT
NNNNMMMM must be set to the row dimension of two-dimensional array parameters
as declared in the calling program dimension statement.
NNNN is the order of the matrix.
LLLLOOOOWWWW and IGH are integers determined by the balancing subroutine BALANC.
If BALANC has not been used, set LOW=1, IGH=N.
AAAA contains information about the orthogonal trans- formations used in the
reduction by ORTHES in its strict lower triangle.
OOOORRRRTTTT contains further information about the trans- formations used in the
reduction by ORTHES. only elements LOW through IGH are USED. On OUTPUT
ZZZZ contains the transformation matrix produced in the reduction by
ORTHES.
OOOORRRRTTTT has been altered. Questions and comments should be directed to B. S.
Garbow, APPLIED MATHEMATICS DIVISION, ARGONNE NATIONAL LABORATORY
PPPPaaaaggggeeee 1111