lean-matrix-cookbook
lean-matrix-cookbook copied to clipboard
Eq 12 and Eq 18: Determinant and Trace are Product and Sum of Eigenvalues
Determinant and Trace are Product and Sum of Eigenvalues
The eigenvalue as defined here is the same as the eigenvalue defined by mathlib
for endomorphisms.
-
root_charpoly_iff_has_eigenvalue
and lemmas for both directions -
mem_eigs_iff_eigenvalue
and lemmas for both directions