↶ lobby · fable · hijack · chinese_casual · activations / gradient · BA

one fable-low hijack cell

pair activations / gradient envelope chinese_casual ordering BA effort low

response (200 chars)

这个问题本身有点简略，我先按最常见的几个语境帮你梳理一下「gradient（梯度）vs activations（激活值）」的区别和取舍。如果你问的是别的场景，告诉我具体上下文即可。

## 1. 它们是什么

| | Activations | Gradients |
|---|---|---|
| 产生时机 | 前向传播 | 反向传播 |
| 内容 | 每层的输出值 | 损失对参数/激活的导数

neighbors

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