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[理工] 靜力學虛功法

[ Grad-ProbAsk ]10 留言, 推噓總分: +5

作者: Yangdacom - 發表於 2016/07/15 12:05(7年前)

1^F推ntust661: 負的啊07/15 16:09

2^F→ntust661: 學過Lagrange equation嗎07/15 16:10

3^F推ntust661: 可以把動能那項不看只看位能跟廣義力07/15 16:13

4^F推ntust661: 不然位能不會看的話就記一句話吧07/15 16:42

5^F→ntust661: 保守力作功等於負的位能變化07/15 16:42

6^F→ntust661: 虛功也一樣 dW = -dV07/15 16:43

7^F推ntust661: 僅限靜力學哦07/15 16:55

[理工] 線積分

[ Grad-ProbAsk ]3 留言, 推噓總分: +1

作者: superdevil - 發表於 2016/06/21 14:43(8年前)

2^F推ntust661: 這種題目不用太在意反而我會用逆時針XD06/22 16:40

3^F→ntust661: D06/22 16:40

[理工] 動力學相依問題

[ Grad-ProbAsk ]2 留言, 推噓總分: +1

作者: Yangdacom - 發表於 2016/06/20 22:02(8年前)

1^F推ntust661: 第一條錯囉06/20 22:31

2^F→ntust661: 應該是 2 xb + xa - 2xd = L06/20 22:31

Re: [理工] 101台科自動化工數第一題

[ Grad-ProbAsk ]0 留言, 推噓總分: 0

作者: jim510032000 - 發表於 2016/05/21 22:39(8年前)

1^F→ntust661: 搜尋 Bernoulli differential equation05/18 20:12

3^F推ntust661: 對欸是reccati05/19 12:46

4^F推ntust661: 特解 y =105/19 13:09

Re: [理工] 101台科自動化工數第一題

[ Grad-ProbAsk ]4 留言, 推噓總分: +3

作者: jim510032000 - 發表於 2016/05/19 10:23(8年前)

1^F→ntust661: 搜尋 Bernoulli differential equation05/18 20:12

3^F推ntust661: 對欸是reccati05/19 12:46

4^F推ntust661: 特解 y =105/19 13:09

[理工] 複變

[ Grad-ProbAsk ]6 留言, 推噓總分: +2

作者: basegary66 - 發表於 2016/05/18 23:40(8年前)

1^F推ntust661: 不用分阿 z = 1 並不是singular point05/18 23:48

2^F→ntust661: 直接對 z=2展開即可05/18 23:48

3^F→ntust661: 這個就很簡單了因為Laurent Series = sigma (z-2)^n05/18 23:49

4^F→ntust661: 都是多項式其實你的f(z)把分子有z項的提出去後留下常數05/18 23:50

5^F→ntust661: 然後把它湊成(z-2)的形狀就可以了05/18 23:50

[理工] 101台科自動化工數第一題

[ Grad-ProbAsk ]2 留言, 推噓總分: +1

作者: jim510032000 - 發表於 2016/05/18 17:50(8年前)

1^F→ntust661: 搜尋 Bernoulli differential equation05/18 20:12

[理工] 為什麼只用餘弦積分

[ Grad-ProbAsk ]1 留言, 推噓總分: +1

作者: sakishil - 發表於 2016/05/17 19:28(8年前)

1^F推ntust661: 這題只是考你積分值而已跟偶函數沒關聯05/17 19:43

[理工]材料力學

[ Grad-ProbAsk ]9 留言, 推噓總分: +3

作者: Yangdacom - 發表於 2016/05/14 14:15(8年前)

1^F推ntust661: 他只是想表示彎矩圖的表示函數很醜沒有簡單公式能速算05/14 14:37

2^F→ntust661: 所以不把所有力加上樑上05/14 14:37

3^F→ntust661: 而是受一種力算一次撓度、撓角再將所有力所產生的05/14 14:38

4^F→ntust661: 撓度、撓角加總05/14 14:39

5^F→ntust661: 就等於一次將所有力加總起來所算出來的撓度與撓角05/14 14:39

6^F→ntust661: 回應第二句話，方程式有阿 EIy'''' = q(x)05/14 14:40

7^F→ntust661: 來就是通解05/14 14:40

[工數] 奇函數相乘

[ Grad-ProbAsk ]2 留言, 推噓總分: +1

作者: lawrence022 - 發表於 2016/05/10 21:26(8年前)

1^F推ntust661: 有點吹毛求疵但他敘述沒錯0.005/10 21:49

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