片语
negative definite hermitian form负定埃尔米特形式
positive definite Hermitian form正定埃尔米特型
negative definite quadratic form[数]
positive definite differential form[数]
definite bilinear form确定双线性形式
positive definite quadratic form二次型
Definite Negative Form定负型
positive definite quatratic form正定二次型