请在下方输入要搜索的题目：

In the following cases for quadratic convex function, which ones are correct? （）

A、Thestationarypointofquadraticstrictlyconvexfunctionisunique.
B、TheHessianmatrixofquadraticconvexfunctionisaconstantpositivesemi-definitematrix.
C、Thesumoftwoquadraticconvexfunctionisconvex.
D、AquadraticconvexfunctionisstrictlyconvexifandonlyifitsHessianmatrixispositivedefinite.

发布时间：2025-02-06 05:04:41

推荐参考答案 ( 由专技宝官方老师解答 )

答案：The stationary point of quadratic strictly convex function is unique. ■The Hessian matrix of quadratic convex function is a constant positive semi-definite matrix. ■The sum of two quadratic convex function is convex. ■A quadratic convex function is strictly convex if and only if its Hessian matrix is positive definite.

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In the following cases for quadratic convex function, which ones are correct? （ ）

In the following cases for quadratic convex function, which ones are correct? （）