短語詞組短語positive definite real symmetric matrix 實對稱正定矩陣real positive definite symmetric matrix 實正定對稱矩陣positive definite symmetric real matrix 正定對稱實方陣semi -positive definite symmetric matrix 半正定對稱矩陣symmetric positive definite matrix B 數(shù)正定矩陣Btridiagonal symmetric positive definite matrix 三對角對稱正定陣real symmetric positive definite matrix 實對稱正定矩陣 返回 positive definite symmetric matrix