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作者 DIDIMIN 在 PTT [ Math ] 看板的留言(推文), 共114則

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收起看板(711)

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[其他] 請問反傅立葉轉換的公式到底是什麼?

[ Math ]9 留言, 推噓總分: +3

作者: iloveconic - 發表於 2015/06/29 17:08(9年前)

7^F→DIDIMIN: 財務數學通常用第一個連結的公式06/29 22:38

中國學者在一古老數學問題上獲重大突破

[ Math ]32 留言, 推噓總分: +11

作者: wladimir - 發表於 2014/05/15 00:22(10年前)

22^F推DIDIMIN:審一年半真的很崩潰而且最後還被拒絕05/15 15:27

[中學] 完美矩形

[ Math ]5 留言, 推噓總分: +5

作者: skylion - 發表於 2014/04/08 09:03(10年前)

5^F推DIDIMIN:1104/09 17:24

[迴歸] 看不懂迴歸式的意思

[ Math ]1 留言, 推噓總分: +1

作者: Harryborison - 發表於 2014/03/02 22:21(10年前)

1^F推DIDIMIN:是不是少打了summation？03/04 13:00

[中學] 解a值

[ Math ]3 留言, 推噓總分: +1

作者: lovewin - 發表於 2014/01/23 14:33(10年前)

3^F推DIDIMIN:直接把 2+i 代進去式子解 a，這樣會不會比較快？01/23 18:48

[機統] 一個想不通的機率問題

[ Math ]18 留言, 推噓總分: +4

作者: silentgiant - 發表於 2013/12/17 17:19(10年前)

1^F推DIDIMIN:那你覺得 04 14 22 26 32 這組數字常見或少見？12/17 17:25

2^F→DIDIMIN:你會覺得連號不可能是因為你在算連號與不連號的機率12/17 17:28

3^F→DIDIMIN:而不是在算每組數字出現的機率12/17 17:28

4^F→DIDIMIN:連號這個集合比不連號這個集合的機率明顯低很多12/17 17:33

5^F→DIDIMIN:但是樂透有沒有中獎不是在看連號與否，是看數字多少12/17 17:34

[其他] 請教布朗運動證明

[ Math ]4 留言, 推噓總分: +3

作者: wugymcu - 發表於 2013/11/27 23:37(10年前)

4^F推DIDIMIN:從定義出發就很容易證出了11/28 13:12

[其他] 三階矩陣的問題

[ Math ]4 留言, 推噓總分: +2

作者: qazsx2349 - 發表於 2013/11/18 17:54(10年前)

3^F→DIDIMIN:用電腦算的結果答案是對的11/18 20:22

[機統] 聯合機率密度函數

[ Math ]3 留言, 推噓總分: +1

作者: MonruTsai - 發表於 2013/11/10 11:31(10年前)

1^F推DIDIMIN:利用出象機率加總等於1這個條件就可以算出來了11/10 11:34

[其他] 賽局的權重評分怎麼來的

[ Math ]5 留言, 推噓總分: 0

作者: dharma - 發表於 2013/10/14 16:51(10年前)

3^F→DIDIMIN:ordinal numbers主要用來排順序，本身沒什麼意義10/14 20:10

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