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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7171則
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2F→: 那點叫做圓心。03/01 19:44
1F→: 因為原本的機率表是在說「剛好」賣出5,6,7,8個的機02/28 19:11
2F→: 率。你也可以計算進貨五個、六個、七個、八個的獲利02/28 19:13
3F→: 期望值,再去比較。不過詳解是用每一個漢堡自己的02/28 19:18
4F→: 期望值。02/28 19:19
1F推: 這些都有的話,直接讀Friedberg啊?02/27 15:03
23F推: Friedberg進矩陣進得算慢的。Strang寫的就很快進入02/28 01:04
24F→: 矩陣,其實看得有點不舒服。02/28 01:05
6F推: 他們的特徵方程可以用Sylvester定理計算,能知道只02/27 16:24
7F→: 差 |m-n| 個λ。02/27 16:25
15F推: 解答是抄Legendre polynomial吧,擅自normalize。02/26 23:08
16F→: 但是,其實有些老師的G-S就是要做歸一化才算完成。02/26 23:10
18F推: 其實有,只是他用的歸「一」不是一。02/27 03:17
19F→: 那是勒讓得多項式慣用的歸一。02/27 03:17
3F→: 請照規矩來。那個所謂速解只能用在兩種關係不大的02/26 22:45
4F→: 函數之間:多項式和指數類(指數函數、sin、cos)。02/26 22:45
2F→: 是。02/25 21:22
1F→: dn1,dn2,...線性獨立02/24 20:23
17F推: 三條餘弦定理,解三元二次方程。02/24 01:08