作者查詢 / Yuchin1992
作者 Yuchin1992 在 PTT [ Math ] 看板的留言(推文), 共49則
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3F推:XDDD01/30 18:43
4F→:大概就x^n.e^x 或 xcos(nx) 的形式大概都會用分部積07/11 18:26
5F推:.................................................10/25 01:08
11F→:我不喜歡記多餘的口訣,忘記我就畫圖找回記憶08/15 11:54
2F推:感謝06/16 11:47
1F→:我的想法有點笨,把P求出來再檢查06/11 20:26
2F→:P = A(A^T A)^(-1) A^T06/11 20:26
1F推:讓第二式等於0,vk+1移到右邊,可以被前k項以非零06/09 12:41
2F→:係數所線性組合06/09 12:41
4F→:一組向量若出現零向量,則永遠線性相依06/09 12:49
3F推:sec = 1/cos05/26 17:00