對(duì)稱且正半肯定矩陣 positive semidefinite matrix: 半正定矩陣; 非負(fù)半正定陣positive semidefinite: 半正定semidefinite matrix: 半定矩陣positive semidefinite form: 半正定型; 正半定形式negative semidefinite matrix: 負(fù)半定矩陣下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯