vault backup: 2023-11-09 14:57:27

.obsidian/workspace.json

@@ -41,7 +41,7 @@
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@@ -77,7 +77,7 @@
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@@ -114,7 +114,7 @@
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@@ -139,7 +139,7 @@
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@@ -167,7 +167,7 @@
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@@ -212,8 +212,9 @@
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05. 資料收集/numpy - 同樣順序打亂多個array.md

@@ -0,0 +1,10 @@
+如果多個array的順序有相關性，我們要用同樣的順序來打亂他們，可以用以下方法：
+```python
+array1 = np.array([[1, 1], [2, 2], [3, 3]])
+array2 = np.array([1, 2, 3])
+
+shuffler = np.random.permutation(len(array1))
+array1_shuffled = array1[shuffler]
+array2_shuffled = array2[shuffler]
+```
+