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作者 theory 在 PTT 全部看板的留言(推文), 共4082則
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4F推:你 PO 張截圖出來會比較好理解09/04 23:20
3F推:先改善 UI 再說,瞧瞧那鍵盤遙控器,老人家會想用嗎 ?09/04 13:08
1F→:你應該把這兩個名詞的全名寫出來,不然容易會錯意09/04 12:57
1F推:No,動量可以有 eigenvalue,只是那不見得符合你的直覺08/31 23:39
2F→:數學上找得到就是有,比如說它可能在 k 空間之類的08/31 23:40
15F推:其他 OS 五年前就有了,真是新功能09/04 12:43
6F推:因為你的 sh 檔沒有"執行"權限,要用 chmod +x 該檔後才行08/31 23:33
6F→:我這篇文章的用意就是不要去管邊界條件,一開始的邏輯就是08/29 23:19
7F→:錯的,想得再深都沒有用,邊界條件那是之後的事情08/29 23:20
8F→:眼前的問題是,阿就不是 eigenfunction,扯邊界幹嘛?08/29 23:23
13F→:如果原問者沒有透漏 particle in a box 的例子,請問你們08/31 23:45
14F→:該怎麼扯接下來的邊界條件云云?你們已經把問題特殊化了08/31 23:46
15F→:以原問者的例子,取 e^nx 這一組就可,而 sin(nx) 就不行08/31 23:49
16F→:不管是不是在邊界上,sin 這一組就不能是動量的 eigenfunc08/31 23:52
17F→:如果你要說考慮邊界那這兩個玩意不 commute,那我應該找不08/31 23:55
18F→:到它們共同的 eigenfunction,可是就是找得到。08/31 23:57
19F→:修正:是 e^inx,非 e^nx08/31 23:58
25F→:對,所以若沒有 box 的例子,接下來說的都可以省了 (攤手)09/04 12:46
26F→:在邊界上的 H 與內部的不同,已經偏離問題的核心,只是這樣09/04 12:56
6F推:別用 IE 就好,IE 8 真的慢08/27 23:46
18F推:這種小功能還拿出來說嘴,這種新聞不如不發08/28 11:13
2F推:不支援 IE 有什麼好奇怪的?08/17 22:56