## characteristic-polynomial

Noun

(*plural* characteristic polynomials)

- (linear algebra) The determinant, of a matrix minus an indeterminant times the identity matrix
- The
**characteristic polynomial**of is .

- The

Usage notes

Equally many authors instead subtract the matrix from the indeterminant times the identity matrix. But the result only differs by multiplication by -1, which isn't important where characteristic polynomials are studied.