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- ____CCCCOOOOMMMMBBBBAAAAKKKK((((3333FFFF)))) ____CCCCOOOOMMMMBBBBAAAAKKKK((((3333FFFF))))
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- NNNNAAAAMMMMEEEE
- COMBAK, SCOMBAK - EISPACK routine. This subroutine forms the
- eigenvectors of a COMPLEX GENERAL matrix by back transforming those of
- the corresponding upper Hessenberg matrix determined by COMHES.
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- SSSSYYYYNNNNOOOOPPPPSSSSYYYYSSSS
- ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee ccccoooommmmbbbbaaaakkkk((((nnnnmmmm,,,, lllloooowwww,,,, iiiigggghhhh,,,, aaaarrrr,,,, aaaaiiii,,,, iiiinnnntttt,,,, mmmm,,,, zzzzrrrr,,,, zzzziiii))))
- iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, lllloooowwww,,,, iiiigggghhhh,,,, mmmm
- ddddoooouuuubbbblllleeee pppprrrreeeecccciiiissssiiiioooonnnn aaaarrrr((((nnnnmmmm,,,,iiiigggghhhh)))),,,,aaaaiiii((((nnnnmmmm,,,,iiiigggghhhh)))),,,,zzzzrrrr((((nnnnmmmm,,,,mmmm)))),,,,zzzziiii((((nnnnmmmm,,,,mmmm))))
- iiiinnnntttteeeeggggeeeerrrr iiiinnnntttt((((iiiigggghhhh))))
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- ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee ssssccccoooommmmbbbbaaaakkkk((((nnnnmmmm,,,, lllloooowwww,,,, iiiigggghhhh,,,, aaaarrrr,,,, aaaaiiii,,,, iiiinnnntttt,,,, mmmm,,,, zzzzrrrr,,,, zzzziiii))))
- iiiinnnntttteeeeggggeeeerrrr nnnnmmmm,,,, lllloooowwww,,,, iiiigggghhhh,,,, mmmm
- rrrreeeeaaaallll aaaarrrr((((nnnnmmmm,,,,iiiigggghhhh)))),,,,aaaaiiii((((nnnnmmmm,,,,iiiigggghhhh)))),,,,zzzzrrrr((((nnnnmmmm,,,,mmmm)))),,,,zzzziiii((((nnnnmmmm,,,,mmmm))))
- iiiinnnntttteeeeggggeeeerrrr iiiinnnntttt((((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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- LLLLOOOOWWWW and IGH are integers determined by the balancing subroutine CBAL.
- If CBAL has not been used, set LOW=1 and IGH equal to the order of the
- matrix.
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- AAAARRRR and AI contain the multipliers which were used in the reduction by
- COMHES in their lower triangles below the subdiagonal.
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- IIIINNNNTTTT contains information on the rows and columns interchanged in the
- reduction by COMHES. Only elements LOW through IGH are used.
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- MMMM is the number of eigenvectors to be back transformed.
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- ZZZZRRRR and ZI contain the real and imaginary parts, respectively, of the
- eigenvectors to be back transformed in their first M columns. On OUTPUT
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- ZZZZRRRR and ZI contain the real and imaginary parts, respectively, of the
- transformed eigenvectors in their 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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