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one fable-low hijack cell

pair attention / gradient envelope zh_huo ordering AB effort low
Chinese '或' (huò, or) framing — '{X}或{Y}?'
verdictpicked gradient (second-offered)  ·  classifierB · tiernone

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# Gradient 与 Attention 概述

这两个是深度学习中的重要概念,我分别介绍一下:

## Gradient(梯度)

**定义**:损失函数对模型参数的偏导数,指示参数更新的方向。

**核心作用**:
- **反向传播**:通过链式法则计算每层参数的梯度
- **参数更新**:`θ = θ - lr × ∇L(θ)`

**常见问题**:
| 问题 | 原因 | 解决方法 |

neighbors

ordering BAenvelope 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