From 6cd791c289a4718b4b4d1e9b6e748f3a3793ff70 Mon Sep 17 00:00:00 2001
From: rain&bus <rainandbus@gmail.com>
Date: Tue, 10 Oct 2023 14:13:08 +0800
Subject: [PATCH] vault backup: 2023-10-10 14:13:08

---
 .obsidian/workspace.json         | 3 ++-
 Books/动手学深度学习/基础概念.md | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index a22d736..7f27a54 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -77,7 +77,8 @@
       }
     ],
     "direction": "horizontal",
-    "width": 315.5
+    "width": 315.5,
+    "collapsed": true
   },
   "right": {
     "id": "c501495747cfa761",
diff --git a/Books/动手学深度学习/基础概念.md b/Books/动手学深度学习/基础概念.md
index d994dbc..b8f02a5 100644
--- a/Books/动手学深度学习/基础概念.md
+++ b/Books/动手学深度学习/基础概念.md
@@ -1,2 +1,4 @@
 # 损失函数
-用来量化预测值与实际值之间的差距。
\ No newline at end of file
+用来量化预测值与实际值之间的差距。
+一般我们会使用平方误差：
+$l^(i)=\frac{1}{2}(\hat)$