Intel® oneAPI Math Kernel Library
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PARDISO error flags

jaewonj
Novice
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PARDISO error flags -3, -6, and -7 are not so clear to me.

-3 reordering problem
-6 preordering failed (matrix types 11, 13 only)
-7 diagonal matrix problem

I typically get these errors when a given matrix is singular but I want to know exactly what went wrong. Is there any reference that explains more about these error flags?

Thanks.

Jaewon



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Gennady_F_Intel
Moderator
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there are no more details on this topic for now. It make sence to add such a detailed desciption in the MKL Reference Manual in the future.

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