From eba7c6428aebe1827d0858577ce2e52f06f7ba7b Mon Sep 17 00:00:00 2001
From: zhang <zch921005@126.com>
Date: Sat, 16 Nov 2019 09:56:55 +0800
Subject: double 11

---
 .idea/misc.xml    |  4 ++++
 .idea/modules.xml |  8 ++++++++
 .idea/vlog.iml    |  8 ++++++++
 double_11.py      | 19 +++++++++++++++++++
 readme.md         |  6 ++++++
 5 files changed, 45 insertions(+)
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vlog.iml
 create mode 100644 double_11.py

diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..65531ca
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.6" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..96c2fc7
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/vlog.iml" filepath="$PROJECT_DIR$/.idea/vlog.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vlog.iml b/.idea/vlog.iml
new file mode 100644
index 0000000..f8446a8
--- /dev/null
+++ b/.idea/vlog.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="Python 3.7 (py3) (1)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/double_11.py b/double_11.py
new file mode 100644
index 0000000..118cfb7
--- /dev/null
+++ b/double_11.py
@@ -0,0 +1,19 @@
+
+import numpy as np
+import matplotlib.pyplot as plt
+
+years = [y+2009 for y in range(11)]
+gmvs = [0.5, 9.36, 52, 191, 350, 571, 912, 1207, 1682, 2135, 2684]
+
+
+def polynomial(xs, ys, n):
+    f = np.polyfit(xs, ys, n)
+    def func(x):
+        return sum(f[i]*x**(n-i)for i in range(n+1))
+    return func
+
+f = polynomial(years, gmvs, 3)
+print(f(2020))
+
+plt.plot(years, gmvs, marker='o')
+plt.show()
\ No newline at end of file
diff --git a/readme.md b/readme.md
index e69de29..8a990da 100644
--- a/readme.md
+++ b/readme.md
@@ -0,0 +1,6 @@
+
+- monte_carlo_triangle.py, [【计算机科学】蒙特卡洛方法计算“一棍砍两刀”构成三角形的概率](https://www.bilibili.com/video/av75100858/)
+- double_11.py 
+
+
+
-- 
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