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Questions about the determinant of square matrices or linear endomorphisms. Also for closely related topics such as minors or regularized determinants.

31 votes
1 answer
4k views

Determinants of binary matrices

My question is: what is the distribution of determinants of all $n\times n$ $\{0,1\}$-matrices? …
Dirk's user avatar
  • 12.7k
20 votes
1 answer
25k views

When does the $4\times 4$ 'false Sarrus rule' compute the determinant correctly?

Here is the motivation: If you have ever taught a maths course for engineers which covered determinants and which included a written exam then you often ask the students to calculate a 4 by 4 determinant …
Dirk's user avatar
  • 12.7k