diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4ebeef73e1a72b62075747eb1e5bb3b86786fd87
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diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
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diff --git a/.idea/misc.xml b/.idea/misc.xml
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diff --git a/.idea/modules.xml b/.idea/modules.xml
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+ 8
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diff --git a/7.5/__pycache__/datas.cpython-312.pyc b/7.5/__pycache__/datas.cpython-312.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..e064b69b26ed4f0c04a7cb687263bd5b85b9d269
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diff --git a/7.5/datas.py b/7.5/datas.py
new file mode 100644
index 0000000000000000000000000000000000000000..8e4f08dea7c691197b7da3b7a5e011a9afe618a5
--- /dev/null
+++ b/7.5/datas.py
@@ -0,0 +1,160 @@
+# 经验是来源于数据
+# 大数据 爬虫
+
+# 模拟太原 和吕梁的房价数据
+# 怎么模拟 城市 面积 户型 是不是学区房 装修的风格
+datas=[
+ {
+ "city":"吕梁",
+ "area":100,
+ "rooms":2,
+ "school":1,
+ "style":1,
+ "price":8000
+ },
+ {
+ "city":"吕梁",
+ "area":100,
+ "rooms":2,
+ "school":1,
+ "style":1,
+ "price":7800
+ },
+ {
+ "city":"吕梁",
+ "area":100,
+ "rooms":2,
+ "school":1,
+ "style":1,
+ "price":8200
+
+ },
+ # 模拟
+ {
+ "city": "吕梁",
+ "area": 130,
+ "rooms": 3,
+ "school": 1,
+ "style": 1,
+ "price": 8300
+ },
+ {
+ "city":"吕梁",
+ "area":135,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":8300
+ },
+ {
+ "city":"吕梁",
+ "area":140,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":8600
+ },
+
+{
+ "city": "吕梁",
+ "area": 130,
+ "rooms": 3,
+ "school": 1,
+ "style": 1,
+ "price": 5000
+ },
+ {
+ "city":"吕梁",
+ "area":135,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":5300
+ },
+ {
+ "city":"吕梁",
+ "area":140,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":6300
+ },
+ {
+ "city": "太原",
+ "area": 100,
+ "rooms": 2,
+ "school": 1,
+ "style": 1,
+ "price": 8000
+ },
+ {
+ "city": "太原",
+ "area": 100,
+ "rooms": 2,
+ "school": 1,
+ "style": 1,
+ "price": 7800
+ },
+ {
+ "city": "太原",
+ "area": 100,
+ "rooms": 2,
+ "school": 1,
+ "style": 1,
+ "price": 8200
+
+ },
+ # 模拟
+ {
+ "city": "太原",
+ "area": 130,
+ "rooms": 3,
+ "school": 1,
+ "style": 1,
+ "price": 8300
+ },
+ {
+ "city": "太原",
+ "area": 135,
+ "rooms": 3,
+ "school": 1,
+ "style": 1,
+ "price": 8300
+ },
+ {
+ "city": "太原",
+ "area": 140,
+ "rooms": 3,
+ "school": 1,
+ "style": 1,
+ "price": 8600
+ },
+
+ {
+ "city": "太原",
+ "area": 130,
+ "rooms": 3,
+ "school": 1,
+ "style": 1,
+ "price": 8500
+ },
+ {
+ "city": "太原",
+ "area": 135,
+ "rooms": 3,
+ "school": 1,
+ "style": 1,
+ "price": 8300
+ },
+ {
+ "city": "太原",
+ "area": 140,
+ "rooms": 3,
+ "school": 2,
+ "style": 2,
+ "price": 8600
+ },
+
+
+]
+
diff --git a/7.5/predict.py b/7.5/predict.py
new file mode 100644
index 0000000000000000000000000000000000000000..5d3520525c411ccaf28fec6a1a8533197660bb23
--- /dev/null
+++ b/7.5/predict.py
@@ -0,0 +1,33 @@
+import numpy as np
+
+# a=np.array([[1,2,3],[1,2,3],[1,2,3]])
+# b=np.array([1,2,3])
+# # 奇异矩阵
+# print(a.dot(b))
+#
+# print(a)
+# print(a.T) # 转置
+# print(np.linalg.pinv(a)) #求逆矩阵
+
+
+from datas import datas
+X=[]
+Y=[]
+cityMark={"吕梁":1,"太原":2}
+for item in datas:
+ single=[]
+ single.append(cityMark[item["city"]])
+ single.append(item["area"])
+ single.append(item["rooms"])
+ single.append(item["school"])
+ single.append(item["style"])
+ X.append(single)
+ Y.append(item["price"])
+
+X=np.array(X)
+Y=np.array(Y)
+
+
+theta=np.linalg.pinv(X.T.dot(X)).dot(X.T).dot(Y)
+print(theta.dot(np.array([2,100,2,1,1])))
+# print(theta)