短語詞組短語positive e definite 正定positive semi definite programming 半正定規(guī)劃Positive -definite bilinear form 確定雙線性形式hermitian positive semi definite matrix hermite 正半定矩陣positive semidefinite definite quaternion matrix 半正定四元數(shù)陣complex positive semi definite matrix 復(fù)正半定矩陣symmetrically positive semi definite matrix 對(duì)稱半正定陣mate positive sub definite matrix 次亞正定矩陣 返回 positive definite