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作者 jacky7987 在 PTT [ Math ] 看板的留言(推文), 共3105則

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[線代] 將圖形原地旋轉

[ Math ]7 留言, 推噓總分: +1

作者: Neisseria - 發表於 2016/10/19 11:43(7年前)

1^F推jacky7987: 應該先translate到你要旋轉的基準在rotate吧？10/19 12:12

2^F→jacky7987: 有需求的話再換回原本的原點10/19 12:13

[線代] 適合工學院的線代書

[ Math ]4 留言, 推噓總分: +3

作者: saltlake - 發表於 2016/10/17 23:37(7年前)

1^F推jacky7987: Gilbert Strang?10/17 23:43

[其他] 求解公式

[ Math ]7 留言, 推噓總分: +3

作者: tangerineboo - 發表於 2016/10/16 19:57(7年前)

4^F推jacky7987: y_{n+1}-300=(y_n-300)*1.02 套等比級數公式10/16 20:39

[分析] 怎麼理解interval(0,1)為不可數

[ Math ]16 留言, 推噓總分: +5

作者: Remedy - 發表於 2016/10/15 17:50(7年前)

2^F推jacky7987: 如果你那樣對Q交集(0,1)做你pick的b可能不在裡面10/15 18:44

3^F→jacky7987: b 是那個取對角線換過數字的那個數10/15 18:45

5^F推jacky7987: 因為全部的數字你已經列出來了10/15 20:18

6^F→jacky7987: （雖然這樣有點倒過來XDDD10/15 20:19

[微積] 極限問題

[ Math ]1 留言, 推噓總分: +1

作者: zxcjackydd - 發表於 2016/10/07 15:15(7年前)

1^F推jacky7987: -M<=f(x)<=M 兩邊同乘題目要的夾一下10/07 16:17

[線代] 空間疑問

[ Math ]7 留言, 推噓總分: +1

作者: thumbg75446 - 發表於 2016/10/01 19:18(7年前)

1^F推jacky7987: 你的等於是什麼意思？10/01 19:20

Re: [分析] 求f(t)

[ Math ]11 留言, 推噓總分: +2

作者: znmkhxrw - 發表於 2016/08/28 22:35(7年前)

11^F推jacky7987: 就只能找不是L^1的函數了XD08/29 00:58

[其他] 實分析書籍推薦及原文書購買

[ Math ]16 留言, 推噓總分: +5

作者: InnocentMage - 發表於 2016/08/09 21:33(7年前)

11^F推jacky7987: 劉老師的風格比較接近Folland 不過自己唸就Zygmund08/10 10:19

12^F→jacky7987: 願意看很多廢話的話可以看Stein08/10 10:19

[其他] 線性泛函/代數拓樸推薦書籍

[ Math ]11 留言, 推噓總分: +5

作者: jackieputint - 發表於 2016/08/05 15:50(7年前)

1^F推jacky7987: 泛函Rudin/Conway 一個正著來一個倒著來08/05 17:40

[微積] 若f(x0)為區域極值，則f'(x0)=0的證明

[ Math ]8 留言, 推噓總分: +3

作者: ppu12372 - 發表於 2016/07/19 20:03(7年前)

1^F推jacky7987: 你說的那行是f'(x0)吧因爲去極限會多出等號07/19 20:14

2^F→jacky7987: 取07/19 20:14

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