ɪz pˈɑːzᵻtˌɪv fɔːɹ ˌɛni ɐsˈuːmɪŋ ðə nˈɑːndᵻdʒˈɛnɚɹˌeɪt kˈeɪs wˌɛɹ ɪz nˌɑːt aɪdˈɛntɪkli zˈiəɹoʊ, ænd ðæt mˌeɪks ɐ pˈɑːzᵻtˌɪv dˈɛfɪnət mˈeɪtɹɪks.
is positive for any  (assuming the non-degenerate case where  is not identically zero), and that makes  a positive definite matrix.