# Compute determinant of matrix before factorization

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#### Details

• Type: Improvement
• Status: To Do
• Resolution: Unresolved
• Fix Version/s: None
• Component/s:
• Labels:
• Story Points:
2
• Team:

#### Description

Now that we've upgraded Eigen, we can get the determinant of sparse matrices. This might be informative for debugging. It's worth checking how long that calculation takes before doing it regularly: if it's slow, we could make it a configurable option.

#### Activity

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Jim Bosch added a comment -

I should have realized this earlier in the slack conversation, but you can't compute the determinant without doing the factorization first.

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Jim Bosch added a comment - I should have realized this earlier in the slack conversation, but you can't compute the determinant without doing the factorization first.

#### People

Assignee:
John Parejko
Reporter:
John Parejko
Watchers:
Jim Bosch, John Parejko, John Swinbank, Paul Price, Yusra AlSayyad