回答編集履歴
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補記
test
CHANGED
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@@ -7,3 +7,25 @@
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X = A(X)
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```
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---
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補記……`A()`は`np.convolve()`を用いることで以下のように短くできます。
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```python
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def A(x0):
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x1 = np.convolve(x0, np.array([1/4, 1/2, 1/4]), mode='same')
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x1[0] = 0
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return x1
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```
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