[問題] 任意兩 Normal 相加為?
若兩獨立 Normal distribution
相加還是 Normal (由MGF可得知)
那麼
若任意兩 Normal distribution
相加服從?
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Google 說還是 Normal
什麼Delta fuction的
http://mathworld.wolfram.com/NormalDifferenceDistribution.html
不是很清楚
請問有更直觀,詳細的見解嗎?
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若用模擬的方法 該如何著手驗證?
謝謝
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