[理工] [工數] ODE!!!一求解~~

看板Grad-ProbAsk作者 (eason)時間14年前 (2010/03/11 21:25), 編輯推噓3(304)
留言7則, 6人參與, 最新討論串1/2 (看更多)
題目: find the solution of equation dy 2y-x --- = ------- dx 2x-y 2xdy - 2ydx + xdx -ydy = 0 我看不太出來!! -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 125.228.236.166

03/11 21:30, , 1F
徵求高手
03/11 21:30, 1F

03/11 21:31, , 2F
用齊次 y=ux
03/11 21:31, 2F

03/11 21:33, , 3F
間接分離變數= =..
03/11 21:33, 3F

03/11 21:41, , 4F
ln(x-y)=3lnc(x+y) 亂算的XDDD
03/11 21:41, 4F

03/11 22:51, , 5F
我也是想到其次
03/11 22:51, 5F

03/11 23:06, , 6F
齊次好麻煩.....我還沒背熟..
03/11 23:06, 6F

03/11 23:08, , 7F
H大你怎麼算的?
03/11 23:08, 7F
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