放浪者CM
幼苗
共回答了18个问题采纳率:88.9% 举报
保证正确无误-----------
Real symmetric matrix,
Quadratic form,
Positive definite matrix,
Positive semidefinite matrix,
Negative definite matrix,
Negative semidefinite matrix,
Indefinite matrix,
Quadratic curve,
Quadratic surface
1年前
1