From e5b045f4c842d6731d49504d29b073bb0bd01a08 Mon Sep 17 00:00:00 2001
From: xiaowei_xing <997427575@qq.com>
Date: Sat, 23 Nov 2019 15:31:52 +0900
Subject: [PATCH] test

---
 docs/10.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/10.md b/docs/10.md
index 5281e69..b66c5d3 100644
--- a/docs/10.md
+++ b/docs/10.md
@@ -63,4 +63,8 @@ $$
 
 $$
 \int \pi_{\theta}(\tau) \frac{\nabla_{theta} \pi_ {\theta} (\tau)}{\pi_{\theta}(\tau)}r(\tau)\text{d}\tau
+$$
+
+$$
+\mathbb{E}_ {\tau\sim\pi_{\theta}(\tau)}[\nabla_{\theta}\log\pi_{\theta}(\tau)r(\tau)]
 $$
\ No newline at end of file
-- 
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