[問題] 旋度問題
課本說旋度是判斷一個場有無旋轉的性質
若旋度等於零 表示向量場不會旋轉
可是下面這個向量場 明明就在旋轉
但是旋度卻不等於零 是為什麼?
-y x
F = ──── i + ──── j
x^2+y^2 x^2+y^2
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推
11/18 23:39, , 1F
11/18 23:39, 1F
→
11/18 23:39, , 2F
11/18 23:39, 2F
→
11/18 23:41, , 3F
11/18 23:41, 3F
→
11/18 23:50, , 4F
11/18 23:50, 4F
推
11/18 23:53, , 5F
11/18 23:53, 5F
推
11/19 00:00, , 6F
11/19 00:00, 6F
推
11/19 00:03, , 7F
11/19 00:03, 7F
→
11/19 00:10, , 8F
11/19 00:10, 8F
推
11/19 00:23, , 9F
11/19 00:23, 9F
推
11/19 00:27, , 10F
11/19 00:27, 10F
推
11/19 00:32, , 11F
11/19 00:32, 11F
推
11/19 00:36, , 12F
11/19 00:36, 12F
→
11/19 00:36, , 13F
11/19 00:36, 13F
→
11/19 00:49, , 14F
11/19 00:49, 14F
推
11/19 00:53, , 15F
11/19 00:53, 15F
推
11/19 01:04, , 16F
11/19 01:04, 16F
推
11/19 01:32, , 17F
11/19 01:32, 17F
推
11/19 01:33, , 18F
11/19 01:33, 18F
→
11/19 01:33, , 19F
11/19 01:33, 19F
→
11/19 01:34, , 20F
11/19 01:34, 20F
推
11/19 01:35, , 21F
11/19 01:35, 21F
推
11/19 02:20, , 22F
11/19 02:20, 22F
推
11/19 03:17, , 23F
11/19 03:17, 23F
→
11/19 13:04, , 24F
11/19 13:04, 24F
→
11/19 13:05, , 25F
11/19 13:05, 25F
→
11/19 13:09, , 26F
11/19 13:09, 26F
→
11/19 13:13, , 27F
11/19 13:13, 27F
推
11/19 13:26, , 28F
11/19 13:26, 28F
→
11/09 10:30, , 29F
11/09 10:30, 29F
→
01/02 14:13,
5年前
, 30F
01/02 14:13, 30F
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