From 71417617a59c8de5dd91b506876b24dfb44cee03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9Cdangjiaqi1=E2=80=9D?= <“dangjiaqi1@huawei.com”>
Date: Thu, 7 Jan 2021 21:27:47 +0800
Subject: [PATCH] update L1Regularizer annotation

---
 mindspore/nn/layer/basic.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mindspore/nn/layer/basic.py b/mindspore/nn/layer/basic.py
index 30205b0b0b..d643ecb664 100644
--- a/mindspore/nn/layer/basic.py
+++ b/mindspore/nn/layer/basic.py
@@ -37,11 +37,14 @@ __all__ = ['Dropout', 'Flatten', 'Dense', 'ClipByNorm', 'Norm', 'OneHot', 'Pad',
 
 
 class L1Regularizer(Cell):
-    """
+    r"""
     Apply l1 regularization to weights
 
     l1 regularization makes weights sparsity
 
+    .. math::
+        \text{loss}=\lambda * \text{reduce_sum}(\text{abs}(\omega))
+
     Note:
         scale(regularization factor) should be a number which greater than 0