借助于这些集合和函数的定义思想，本文定义了E-凸锥、伪拟E -凸函数、E -凸函数方向导数等几种更广义的概念。
In this paper, with the aid of idea of defining those sets and functions, the definitions of E -convex cone, pseudo-quasi- E -convex functions, E -direction derivative are discussed.
其次讨论了一类新的广义梯度，这样的广义梯度能够充分利用已经有的方向导数的信息。
Secondly, the new generalized gradient is introduced to take advantage of the given directional derivative.
其次讨论了一类新的广义梯度，这样的广义梯度能够充分利用已经有的方向导数的信息。
Secondly, the new generalized gradient is introduced to take advantage of the given directional derivative.
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