[數撚圍爐區] Machine learning is math (56)

1001 回覆
2 Like 13 Dislike
2021-12-31 17:31:21
我又嚟問數了


咁我part b要點樣sub番個Xn(x)呢
跟據a part
Xn(x)係唔同情況吓嘅n會有唔同結果
2021-12-31 17:42:08
2021-12-31 17:42:55
2021-12-31 17:50:07
2021-12-31 17:51:44
2021-12-31 17:53:55
2021-12-31 17:58:16
咁 a_n 都有 odd 同 even 咁分,最尾你塞返落條 series 度咪分返開 odd 同 even,利申冇讀 PDE
2021-12-31 18:02:35
喔即係分番開2個case?
2021-12-31 18:12:39
你計嗰時 a_n 有 odd 同 even
塞返落去 powder series 嗰時就 n = 2*j 同埋 n = 2*j + 1, j = 0, 1, 2,.... 即係有兩條 series 嘅 sum
2021-12-31 22:14:36
2021-12-31 22:15:00
2021-12-31 22:15:57
2021-12-31 22:16:13
2021-12-31 22:25:08

但係呢個樣係咪應該integration by parts
2021-12-31 22:26:11
Product to sum?
2021-12-31 22:38:39
2021-12-31 22:40:53
啱啱search 完
咁就仆街了
新制M1冇學過
2021-12-31 22:41:36
隻隻字單獨我都明
加埋一齊就唔知up乜鳩
2021-12-31 22:41:57
2021-12-31 22:42:17
2021-12-31 22:48:24

條式有U咩?
2021-12-31 22:54:16
2021-12-31 23:11:38
2021-12-31 23:13:25
咁撚新奇嘅
第一次聽呢種方法
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