作者查詢 / kagato
作者 kagato 在 PTT 全部看板的留言(推文), 共945則
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5F→:如果15分我會慶幸有背bessel的級數解= ="10/10 00:03
2F→:bessel跟sin cos 一樣,基本東西還是乖乖念吧@@10/07 17:20
4F→:H應該是step function,跟u一樣@@10/06 00:00
7F→:當然可以,不過這題有給I.C 所以解答不會有constant出現10/01 00:24
7F推:請教一下,題目沒給y'(0)=0,怎麼可以不寫忽略掉@@10/01 00:29
9F→:s*y'(0)對s微分, 會有兩項吧@@?10/01 00:31
11F推:我耍白痴..謝謝樓上10/01 00:35
3F推:我解出來三角函數部份分母是10 @@09/28 01:10
5F→:兩個operator沒有共同eigenstate 表測不準,這樣講可以嗎@@09/25 23:40
2F→:原始時間在太空船上?@@09/16 22:31
10F推:淚推最後一段..09/05 02:14
3F推:一樓中肯08/30 21:47