From cbc2162a6f8a602bb6c732eadd11f7932336bed2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E6=9D=A8=E6=B4=8B?= <2445091977@qq.com>
Date: Sat, 2 Nov 2024 21:26:23 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20function.py?=
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---
 function.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/function.py b/function.py
index ff5b9ff..f8da889 100644
--- a/function.py
+++ b/function.py
@@ -1,3 +1,17 @@
+import numpy as np
+
+"""
+请在这里填写学号和姓名，不填写即成绩无效。
+"""
+id = "202210423224"
+name = "吴杨洋"
+
+
+def sigmoid(z):
+    """
+    Sigmoid 激活函数。
+    """
+    return 1 / (1 + np.exp(-z))
 def train_logreg(X, y, random_state=42):
     model = LogisticRegression(solver='liblinear', random_state=random_state)
     model.fit(X, y)