test

docs/10.md

@@ -103,4 +103,5 @@ J(\theta) = \log J'(\theta) = \sum_{i=1}^{N}\log P(y_i|x_i)，
 $$
 
 $$
-\nabla_{theta}J(\theta) = \sum_{i=1}^{N} \nabla_{\theta}\log P(y_i|x_i)。
\ No newline at end of file
+\nabla_{theta}J(\theta) = \sum_{i=1}^{N} \nabla_{\theta}\log P(y_i|x_i)。
+$$
\ No newline at end of file