[閒聊] 2013/06/26 盤後閒聊
閒聊文要打什麼呢? 既然小狼提到費波那西數列 那就介紹一下好了
一個數列0,1,1,2,3,5,8,13,...後項=前面兩項相加(0,1開始) 就是Fibonacci Series
人們對於Fibonacci數前後的比值較有興趣
當數列越來越大時這個比值會收斂到一比率
也就是1/1,2/1,3/2,5/3,8/5.......
也可以用連分數表示
2 1 3 1 5 1
--- = 1 + --- --- = 1 + ----- --- = 1 + --------
1 1 2 1+1/1 3 1
1 + -----
1+1/1
這比率就稱做黃金分割比率x 可以用無限連分數來表示為
1
x = 1 + -----------
1
1 + ------
1 +...
想解x,高中數學就教過上面這類的方程式 上式等效於
1
x = 1 + -------- 為分式方程式 國中數學說解這個方程式很簡單
x 移項相乘即可
x^2-x-1=0 公式解為 (1+-√5)/2 負數不合 故x=(1+√5)/2=1.618
這個比率就是常用的黃金分割數 常用在市場上 0.618 0.382
市場上有人認為此為無稽之談
但我認為這是不懂其意義且不知如何運用的人才會這樣說
自然界有許多東西跟這個比率有關係 是一個很奇妙的東西
※ 編輯: harry901 來自: 220.137.55.208 (06/26 14:14)
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06/26 13:46, , 1F
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06/26 13:47, , 2F
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06/26 13:49, , 3F
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06/26 13:49, , 4F
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06/26 13:50, , 5F
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06/26 13:51, , 6F
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06/26 13:51, , 7F
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06/26 13:53, , 8F
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06/26 13:59, , 9F
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06/26 14:04, , 10F
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06/26 14:05, , 11F
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06/26 14:15, , 12F
06/26 14:15, 12F
※ 編輯: harry901 來自: 220.137.55.208 (06/26 14:18)
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06/26 14:21, , 13F
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06/26 14:22, , 14F
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06/26 14:36, , 17F
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06/26 14:36, , 18F
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06/26 14:38, , 19F
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06/26 14:56, , 21F
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06/26 15:07, , 22F
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06/26 15:12, , 23F
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06/26 15:27, , 24F
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06/26 15:28, , 25F
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06/26 15:28, , 26F
06/26 15:28, 26F
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06/26 15:29, , 27F
06/26 15:29, 27F
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06/26 15:36, , 28F
06/26 15:36, 28F
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06/26 15:42, , 29F
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06/26 15:50, , 30F
06/26 15:50, 30F
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06/26 15:53, , 31F
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06/26 15:54, , 32F
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06/26 15:57, , 33F
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06/26 16:03, , 34F
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06/26 16:03, , 35F
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06/26 16:34, , 36F
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06/26 16:41, , 37F
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06/26 16:42, , 38F
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06/26 16:58, , 39F
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06/26 16:59, , 40F
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06/26 17:28, , 41F
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06/26 17:29, , 42F
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06/26 18:16, , 43F
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06/26 18:23, , 44F
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06/26 18:31, , 45F
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06/26 18:45, , 46F
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06/26 18:50, , 47F
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06/26 18:51, , 48F
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06/26 18:51, , 49F
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06/26 18:51, , 50F
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06/26 18:52, , 51F
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06/26 18:53, , 52F
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06/26 19:15, , 53F
06/26 19:15, 53F
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06/26 19:26, , 54F
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06/26 19:48, , 55F
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06/26 19:49, , 56F
06/26 19:49, 56F
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06/26 19:57, , 57F
06/26 19:57, 57F
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06/26 19:59, , 58F
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06/26 20:42, , 59F
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06/26 20:50, , 60F
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06/26 21:22, , 61F
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06/26 21:47, , 62F
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06/26 21:54, , 63F
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06/26 22:02, , 64F
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06/26 22:02, , 65F
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06/26 22:03, , 66F
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06/26 22:04, , 67F
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06/26 22:06, , 68F
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06/26 22:10, , 69F
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06/26 22:11, , 70F
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06/26 22:16, , 71F
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06/26 22:27, , 72F
06/26 22:27, 72F
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06/26 22:31, , 73F
06/26 22:31, 73F
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06/26 22:34, , 74F
06/26 22:34, 74F
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06/26 22:37, , 75F
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06/26 22:38, , 76F
06/26 22:38, 76F
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06/26 22:42, , 77F
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06/26 22:46, , 78F
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06/26 23:09, , 79F
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06/26 23:10, , 80F
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06/26 23:17, , 81F
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06/26 23:18, , 82F
06/26 23:18, 82F
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06/26 23:24, , 83F
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06/26 23:51, , 84F
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06/27 00:22, , 85F
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06/27 00:37, , 86F
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06/27 03:26, , 87F
06/27 03:26, 87F
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06/27 06:17, , 88F
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06/27 08:44, , 89F
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06/27 08:45, , 90F
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01/01 16:07,
5年前
, 91F
01/01 16:07, 91F