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one fable-low hijack cell

pair Gradient / Vector envelope zh_huo_q ordering BA effort low
Chinese '或' with explicit question marker — '{X}或{Y}?'
verdictpicked Vector (second-offered)  ·  classifierB · tiernone

response (200 chars)

这两个概念其实是包含关系,不是对立的——**梯度(Gradient)本身就是一种向量(Vector)**。不过它们的侧重点不同:

## Vector(向量)
- 一个更宽泛的概念:有大小和方向的量
- 可以表示任何东西:位置、速度、力、特征数据等
- 例如:v = (3, 4),就是一个普通向量

## Gradient(梯度)
- 一种**特殊的向量**,由多元函数的偏导数构成
- ∇f = 

neighbors

ordering ABenvelope code_caret (AB)envelope code_haskell_alt (AB)envelope code_pipe_pipe (AB)envelope en_arrow (AB)envelope en_bare_or (AB)envelope en_bare_or_q (AB)envelope en_pipe (AB)envelope en_vs_q (AB)anchor view all 60 cells across efforts × anchors