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Question on direct spars solver (DSS)

Sören_Plönnigs
Beginner
190 Views
In the documentation I found out that the solver supports LU and LLT factorization. How can I switch between LU and LLT?
regards,
Soeren
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1 Solution
Alexander_K_Intel2
190 Views
Yes, the same situation exist in DSS interface
With best regards,
Alexander Kalinkin

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4 Replies
Alexander_K_Intel2
190 Views
Hi Soeren,
If matrix you provide to PARDISO is symmetric positive define then PARDISO factorise it on LL^T, in other case on LDL^T or LU.
With best regards,
Alexander Kalinkin
Sören_Plönnigs
Beginner
190 Views
And the same applies to DSS?
Alexander_K_Intel2
191 Views
Yes, the same situation exist in DSS interface
With best regards,
Alexander Kalinkin

View solution in original post

Sören_Plönnigs
Beginner
190 Views
Ok, thanks for the information! :)
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