Negative-definite, Semidefinite and Indefinite Matrices
A Hermitian matrix is negative-definite, negative-semidefinite, or positive-semidefinite if and only if all of its eigenvalues are negative, non-positive, or non-negative, respectively.
Read more about this topic: Positive-definite Matrix
Famous quotes containing the word indefinite:
“There is a line between a definite maybe and an indefinite yes.”
—Mason Cooley (b. 1927)