awin/Obsidian-Main
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

vault backup: 2025-03-04 11:17:00

Browse Source
This commit is contained in:
Awin Huang
2025-03-04 11:17:00 +08:00
parent d1e51bfd2f
commit ff12c4f4ca
161 changed files with 1 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
20.01. Programming/Keras/categorical_crossentropy.md Normal file
View File

@@ -0,0 +1,3 @@
- 僅適用於 one-hot 編碼。
- 如果輸出不是 one-hot，而是整數標籤，也就是直接輸出 0、1、2，而不是一個array（`[0, 0, 0, 1, 0]` 之類），那就需要 sparse_categorical_crossentropy。
- 範例：[[An example that use categorical_crossentropy and softmax]]