411 REFERENCE · Wiktionary
Sylvester's criterion
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after James Joseph Sylvester.
Proper noun
en math A necessary and sufficient criterion to determine whether a Hermitian matrix is positive-definite: specifically, when all of the leading principal minors have a positive determinant.
en eponyms