[數撚圍爐區] Let ε < 0. (9)

1001 回覆
5 Like 2 Dislike
2019-02-22 20:16:54
中學讀過only
2019-02-22 23:19:19
2019-02-23 00:31:46
2019-02-23 00:32:55
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2019-02-23 00:43:59
2019-02-23 01:17:15
2019-02-23 14:15:02
pish
2019-02-23 15:50:41
2019-02-23 15:53:02
it is an infinite dimensional space
2019-02-23 16:06:43
2019-02-23 16:38:49
小弟無記錯既話佢個班physics 友為左張Maxwell's equations 既magnetic field 果兩條equations generalize 到好似electric 咁可以有個potential 既gradient 咁take divergence 會變0，所以就用curl 黎define vector potential, i.e. A = curl v。base on this definition, div A =0, which is similar to electric potential case, which is div grad V = 0
sor for 1999
利申淨係UG 讀過下phys
2019-02-23 17:39:57
2019-02-23 17:43:16
2019-02-23 17:52:23
2019-02-23 18:07:17
Depends on choice of gauge
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