同义词
1)quasi-defined matrix,半定矩阵2)negative semidefinite matrix,负半定矩阵3)Complex positive semi definite matrix,复正半定矩阵4)Hermitian positive semi definite matrix,Hermite正半定矩阵5)real semi-positive definite matrix,实正半定矩阵6)real symmetrical positive semi-definite matrix,实对称半定矩阵
