any body ever fully diagonalize a 200,000 hermitian matrix?

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any body ever fully diagonalize a 200,000 hermitian matrix?

Postby wdlang » Tue Sep 14, 2010 11:38 am

the matrix is real not complex

anyone ever run it on a station?

i guess parallel algorithm is needed
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Re: any body ever fully diagonalize a 200,000 hermitian matr

Postby timothee » Fri Sep 17, 2010 11:39 am

- What is the size of your matrix ? If the size 200 000, the total size of your pb will 4 X 10^10 X 8 bytes = too big for a station.
- parallel version = scalapack.
-> possible : read the manual
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Re: any body ever fully diagonalize a 200,000 hermitian matr

Postby wdlang » Sat Sep 25, 2010 4:16 pm

timothee wrote:- What is the size of your matrix ? If the size 200 000, the total size of your pb will 4 X 10^10 X 8 bytes = too big for a station.
- parallel version = scalapack.
-> possible : read the manual


thanks.

i will have a try.
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