作者查詢 / LiamIssac
作者 LiamIssac 在 PTT [ Math ] 看板的留言(推文), 共628則
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2F推: 有zero row怎麼full rank?06/22 20:48
10F推: 原po應該再看一次invertible theorem for matrix06/22 22:53
11F→: 有幫助06/22 22:53
1F→: 第一題 把z移到左邊 右邊只剩下x, y 然後再對x偏微06/11 21:55
2F→: y為常數06/11 21:55
17F推: 原po應該實力不錯 我有很多清華數學的同學 底子都05/21 08:40
18F→: 很強 未來的路還廣很長 建議原po多看看 不要把路走05/21 08:41
19F→: 窄走小 先找到興趣最重要05/21 08:41
7F→: 最輸的付啊XD05/20 05:28
1F→: integration by part05/18 22:23
1F推: let Y = [X] then conditioning on X05/18 05:14
4F→: 先確定一定你的[X]是指絕對值嗎?05/18 14:34
9F→: E[X]是常數 非rv05/18 17:54
13F推: 如果是高斯符號 那代定義進去應該可以算05/19 09:27
1F→: Ax = b05/16 17:49
2F→: x = [x y z]^T05/16 17:50
3F→: 更正(x^T)Ax = b05/16 17:51
3F推: 用matlab solve('your f(x)','x')05/12 17:57
4F推: 更正 solve('your f(x) = 0','x')05/12 18:40
4F推: 直接展開整理就好了05/10 13:46