作者查詢 / annheilong
作者 annheilong 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共126則
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5F→:樓上太狠了...03/11 22:55
5F推:搜尋一下matrix chain吧,找投影片看看03/11 23:08
1F推:所以...這題該怎麼解呢?s03/11 01:00
12F推:小弟是北大生 北大理論上不會換老師出題...XD03/11 09:49
13F→:還是感謝各位大大的解說~03/11 09:50
15F推:其實...我自己暴力解完之後解出來了...03/12 22:50
4F→:(0|1)*表示前面有一個不定長度的字串,0或1都可以03/04 23:04
5F→:然後結尾是001 所以 0001 1001 00001 01001 1000103/04 23:05
6F→:11001 000001 001001......依此類推,都可以 001也可以03/04 23:05
1F推:非常感謝!!03/02 00:22
1F推:A(1, n)表示A1乘到An的minimum cost03/01 23:49
2F→:A(1,n)=min(A(1,k)+A(k+1,n)+d_i-1*d_k*d_n) 1<=k<=n-103/01 23:53
3F→:天...推文好難解說 你去google matrix chain好了(懶)03/01 23:54
2F推:結果中山考了一堆證明02/28 17:25
4F→:好像有點懂了... 今天台科考出來 結果我之前只瞄過而已02/27 21:32
5F→:Orz...02/27 21:32
7F→:阿對喔...那題有更簡單的解法02/27 21:36
1F推:我寫的答案跟你一樣02/24 22:27
1F推:用你的A算出來也是一樣的02/24 22:13
2F→:他是y=ax+b 所以A的順序不同02/24 22:14
3F→:另外想請問你有沒有中興的解答?02/24 22:15