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Re: [理工] [工數]-邊界條件?初始條件?

[ Grad-ProbAsk ]16 留言, 推噓總分: +6

作者: CRAZYAWIND - 發表於 2009/11/19 09:05(14年前)

6^F推ntust661:那麼 B.C 一定會滿足解嗎?11/19 15:27

7^F→ntust661:例如說我解出 y = c ln x11/19 15:28

8^F→ntust661:邊界條件不可能會有 y(-a) = b (a>0) 的情況吧?11/19 15:28

[理工] [電子]-電子學問題

[ Grad-ProbAsk ]12 留言, 推噓總分: +5

作者: wwjdidol0932 - 發表於 2009/11/19 00:59(14年前)

5^F推ntust661:在一個控格就好^^11/19 01:26

Re: [理工] [工數]-拉氏轉換

[ Grad-ProbAsk ]7 留言, 推噓總分: +4

作者: ntust661 - 發表於 2009/11/18 20:40(14年前)

5^F→ntust661:該不會你想到第二移位定理XD11/18 21:07

[理工] [工數]-已知一齊性解，求通解

[ Grad-ProbAsk ]14 留言, 推噓總分: +5

作者: ntust661 - 發表於 2009/11/18 18:17(14年前)

2^F→ntust661:然後勒@@11/18 18:37

3^F→ntust661:這樣不是會變成後面改成零的形式而已11/18 18:37

6^F→ntust661:蛋是重點要如何解他呢@@11/18 19:20

9^F→ntust661:這提不能因變數變更吧?11/19 04:54

11^F→ntust661:會變成等維?!11/20 00:08

Re: [理工] [工數]-正合 + 等維 ODE

[ Grad-ProbAsk ]1 留言, 推噓總分: +1

作者: youmehim - 發表於 2009/11/18 16:40(14年前)

1^F推ntust661:謝謝11/18 17:26

[理工] [工數]-正合 + 等維 ODE

[ Grad-ProbAsk ]9 留言, 推噓總分: +4

作者: ntust661 - 發表於 2009/11/18 15:54(14年前)

7^F→ntust661:我代初始值 y(3) = 0 還有 y(1) = 0 比較好吧我猜11/18 16:25

9^F→ntust661:我畫出來大相逕庭= =11/18 16:37

[理工] [工數]-一題有趣的拉普拉濕

[ Grad-ProbAsk ]7 留言, 推噓總分: +5

作者: ntust661 - 發表於 2009/11/18 04:04(14年前)

3^F→ntust661:蛤@@11/18 12:45

[理工] [工數]-喻超凡工程數學第十一章LAPLACE轉換

[ Grad-ProbAsk ]9 留言, 推噓總分: +2

作者: zendla - 發表於 2009/11/18 01:32(14年前)

1^F推ntust661:可以射u(t)然後再轉換就好啦~11/18 01:33

3^F→ntust661:週期函數還沒交QQ11/18 01:39

Re: [理工] [工數]-拉氏

[ Grad-ProbAsk ]2 留言, 推噓總分: +1

作者: aeronautical - 發表於 2009/11/17 18:59(14年前)

1^F推ntust661:變數變換11/17 20:25

[理工] [計概]-不同方法求值?

[ Grad-ProbAsk ]1 留言, 推噓總分: +1

作者: kobe089 - 發表於 2009/11/17 17:57(14年前)

1^F推ntust661:未看先猜牛頓法XD11/17 18:44

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