how to get the eigen values using fortran

how to get the eigen values using fortran

if i have a matrix, i need to calculate the eigen , how to perform it using fortran ,thx

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For more complete information about compiler optimizations, see our Optimization Notice.

Subroutines are available in various libraries. Recent CVF comes with the CXML library which does contain routines for eigenvalues.

The online help says ...
"For information about the CXML routines (after installation), use Acrobat Reader to open the file cxmlref.pdf in:
Program FilesMicrosoft Visual StudioDf98CxmlDoc"

Another possibility is the IMSL library which comes with CVF Professional version.

Jugoslav Dujic's picture

...or visit (and bookmark) www.netlib.org. IIRC ARPACK is one of packages containing calculation of eigenvalues.

Jugoslav

Jugoslav www.xeffort.com

thx very much also.

thx very much.

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