布豐投針問題（Buffon's Needle）─ 經典的圓周率實驗（原理、線上操作） - 環遊數界
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布豐投針問題（Buffon's Needle）─ 經典的圓周率實驗（原理、線上操作） - 環遊數界
透過簡單的投針實驗，竟然能夠得到圓周率π的近似值，這就是布豐投針問題（Buffon's Needle）。 在一張紙上，有平行且等距的線條，現在隨意拋一支針，然後統計針和線條相交的比例。假設線條間距為d，針的長度為L，相交的比例為p。 π = 2L / dp
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