作者查詢 / papple23g
作者 papple23g 在 PTT [ Python ] 看板的留言(推文), 共133則
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5F推: postman能成功POST的話 可以看它轉的python怎麼寫08/31 01:59
6F→: 加 skiprows=1 還是沒改善嗎?06/27 19:40
9F→: https://i.imgur.com/4ckxPHG.png06/28 00:54
10F→: 我找到了原csv檔 執行起來沒有什麼問題 (jupyter上可以06/28 00:54
11F→: 不用加print)06/28 00:54
6F→: 方便給範例研究嗎?12/27 23:40
13F推: 推L大 寫得很清楚12/16 01:22
2F→: df.apply09/19 20:40
4F→: apply裡面要再加參數axis=1,下次把錯誤訊息一併貼上來09/19 22:34
5F→: 比較好09/19 22:34
6F→: 計算了L=0~10 行列式都是0 矩陣不可逆?09/16 12:02
7F→: https://pastebin.com/QPP2WMuF09/16 12:02
11F→: 可舉例預期輸出含L的公式是什麼東西嗎?09/16 15:48
13F推: 那樣的話我認為反矩陣元素無法簡單用L來表達,因為隨著09/16 16:23
14F→: L增加,矩陣元素涉及的計算因子會越多,意味著公式的型09/16 16:23
15F→: 態會越複雜,就像量力的矩陣在一些系統下,矩陣越大求09/16 16:23
16F→: 解的結果就越精確,但大部分還是得靠numpy數值解去逼近09/16 16:23
17F→: 正確結果09/16 16:23
23F→: https://bit.ly/3BLi5eg09/17 00:25
24F→: 我用sympy令a=1/3,b=2/3,你可以看到光是L=3時,(I-r)^09/17 00:25
25F→: -1的表達式已經變得很誇張了,更遑論要用L表達後續的計09/17 00:25
26F→: 算輸出09/17 00:25
4F推: df[df['ts'].dt.hour>12]09/11 13:10
1F推: 練習的話 用Insecam?09/06 04:24
2F推: https://youtu.be/PaGp7Vi5gfM08/18 23:10
1F推: sum(n>2 for n in my_list)08/15 01:59