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作者 penguin7272 在 PTT [ Math ] 看板的留言(推文), 共15則
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1F→: 先 ln 再 1/2 次方11/16 12:13
1F→:小遊戲的例子我覺得猜 1 不會是均衡09/20 00:53
1F→:why P(S=420)+P(S=20)=1?06/25 23:34
1F→:關鍵字 martingale, stopping time, 有點難提示 XD06/25 11:41
5F→:每個數字被抽到的機率是 1-(36/37)^3705/22 00:47
6F→:連續 37 局期望會開出 37*(1-(36/37)^37) = 23.5705/22 00:47
7F→:連續 74 局期望會開出 37*(1-(36/37)^74) = 32.1305/22 00:47
1F→:把紅心 13 張跟黑桃 A 稱為集合B, 集合 B 抽出來的03/24 20:01
2F→:第一個是黑桃 A 就對, 不然不符合, 故 1/1403/24 20:02
3F→:412/28 16:18
6F→:無理數就打到一樣的吧09/20 02:53
1F→:左邊矩陣將(1,0)逆時針轉β, 將(0,1)順時針轉90+β08/24 01:37
2F→:所以 eigenvector 找對稱軸跟與對稱軸垂直那條08/24 01:38
23F推:08/30 10:05