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HELP: Eigenvalue/vector routine? (better than TQLI?) [message #1760]

Fri, 04 February 1994 09:59

djackson
Messages: 31
Registered: June 1993

Member

Hi again,

I'm just full of second-hand requests this week. Another IDL user here
is having some frustration with using the builtin TQLI routine for
finding eigenvalues and eigenvectors of a matrix. It consistently
'flips out' with a message about 'too many iterations'. It seems that
the problem is in the 'fatness' of the zero-test, or the impatience of
TQLI, neither of which is controllable.

Does anyone have a more robust/flexible routine for finding eigenvalues
and eigenvectors?

Any help is appreciated in advance,
-Dick

Dick Jackson djackson@ibd.nrc.ca Standard disclaimer
Institute for Biodiagnostics, National Research Council Canada
Waitress: We're out of hummous so I gave you extra babagonoush
Me: %^P

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