[petsc-users] Diagonalization of a 3D dense matrix

[Ketan Maheshwari]

Hello PETSC-ers,

I am a research faculty at Univ of Pittsburgh trying to use PETSC/SLEPC to
obtain the diagonalization of a large matrix using Lanczos or Davidson
method.

The matrix is a 3 dimensional dense matrix with a total of 216000 elements.

After looking into some of the examples in PETSC as well SLEPC
implementations
it seems like most of the implementations are with 2 dimensional matrices.

So, I was wondering if it is possible to express a 3 dimensional matrix
object
compatible to PETSC so that the SLEPC API could be used to obtain
diagonalization.

Any suggestions or pointers to documentation or examples would be of great
help.

Best,
-- 
Ketan
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