作者查詢 / BaaaSwin
作者 BaaaSwin 在 PTT [ Math ] 看板的留言(推文), 共44則
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5F→:把分母乘上去正和01/20 18:59
1F→:看邊界條件,Lplac的範圍跟Fourier的範圍不一樣01/13 22:44
4F推:dp/dx=(dp/dy)(dy/dx)=p(dp/dy)12/30 23:04
1F→:第二題y=x是齊性解 你用y=ux代入可以得答案10/20 23:09
2F→:第一題答案是解答嗎???10/20 23:10
3F推:沒有10/19 20:51
1F推:!!不要半途而廢!!!09/30 02:04
3F推:XD09/30 10:21
3F→:也可以用初值定理終值定理09/26 22:49
2F推:{(1-n)*2^n}I+{n*2^(n-1)}A09/25 23:19
3F→:我用最小多項式算的不知道對不對!?09/25 23:20
2F推:把它平方然後用極座標代換09/24 16:56