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q10が移動平均法になっていなかった問題を修正
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skotsugi/chapter01/q10.py

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
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def dma(x, k):
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y = np.zeros(len(x))
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for i in range(len(x) - k):
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y[i] = np.sum(x[i:i+k])
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y[i] = np.mean(x[i:i+k])
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return y
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if __name__ == "__main__":
@@ -12,4 +12,4 @@ def dma(x, k):
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dmaed = dma(signal, 5)
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sf.write("./skotsugi/chapter01/q10.wav", dmaed, 8000)
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sf.write("./skotsugi/chapter01/q10.wav", dmaed, 8000)

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