Quizzes for review
For any skew-symmetric matrix A, the quadratic form xT A x is always zero for every real vector x.
See correct answer
For any skew-symmetric matrix A, the quadratic form xT A x is always zero for every real vector x.
音声機能が動作しない場合はこちらをご確認ください
Related words
skew-symmetric
Adjective
not-comparable
Japanese Meaning
線形代数において、転置行列が元の行列の負となる（A^T = -A）という性質を持つ行列に対して用いられる形容詞。 / 対角線上の成分がすべてゼロで、対角線の一方にある成分が、もう一方の対応する成分の加法的逆数になっている行列を表す。
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
