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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7170則
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6F推: 無誤。07/25 17:56
55F推: Hermite插值就是你的問題啊。內容就是用函數值與各07/23 23:07
56F→: 階導數把多項式找出來。如果插值用的點只剩一個a(07/23 23:07
57F→: 其他a_i都一個個收斂到a了),那插出來的就是泰勒07/23 23:07
58F→: 多項式。如果插值用的資料不含導數,那就會得到拉07/23 23:07
59F→: 格朗日插值公式。07/23 23:07
60F→: 例如已知f(1),f'(1),f(2)就會插出P_L。07/23 23:10
3F推: 沒有慣用寫法的,回歸基本記法就好。07/22 22:38
9F推: 所以說可以編輯文章啊。07/24 19:21
7F推: 可以編輯文章啊……句子少的話,用推文補也行。07/22 12:42
1F推: 是啊。你找找看某兩段線段長度比=1:2的。這樣可以湊07/21 14:34
2F→: 出1:√2=√2:2這種。07/21 14:34
3F推: 同時除以y^2,可以用柯西。07/08 23:08
4F→: 或者在分母用算幾。07/08 23:08
1F推: 時空24居然有金次老師的訪談!07/08 09:38
2F推: 反覆利用sinx<x<tanx而已。07/07 12:42
4F推: 差不多。也可以把過程視作將k^2改寫成k(k-1)+k。06/26 18:40