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Info_Mac IV CD-ROM (Pacific HiTech Inc.)(August 1994).iso
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hess
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1994-04-25
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284b
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hess:
Syntax: hess( A )
Description:
Hess finds the Hessenberg from of a matrix. Hess takes a
single matrix as input, and returns a list with two elements,
h, and p.
A = p * h * p' where A is the input
Hess uses the LAPACK subroutines DGEHRD, DORGHR, and ZGEHRD,
ZUNGHR.