#functional-thursday

2026-10-08
lcamel 17:58:52
開門囉 ~
lcamel 17:58:52
開門囉 ~
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hypernoctua 19:17:41
@hypernoctua has joined the channel
Kevin Hsu 19:19:24
@a0306g has joined the channel
lcamel 19:22:35
先前比較久的對話在 archive 內
g0v-slack-archive.g0v.ronny.tw/index/channel/…
lcamel 19:22:35
先前比較久的對話在 archive 內
g0v-slack-archive.g0v.ronny.tw/index/channel/…
lcamel 20:54:03
hackmd.io/@scottnick/BJzZmKurfx
lcamel 20:54:03
hackmd.io/@scottnick/BJzZmKurfx
HackMD
Dragon Curve With Mathematics - HackMD
The symbol I used to show the folding is refer to
lcamel 20:56:30
紀錄: hypercube / 河內塔 / 九連環
lcamel 20:56:30
紀錄: hypercube / 河內塔 / 九連環
102008pagamo 21:03:31
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wuwilliam960111 21:45:17
@wuwilliam960111 has joined the channel
2026-10-09
Chung-Yu Cheng 02:08:49
@chungyu1107 has joined the channel
scottnick0516 11:57:50
@scottnick0516 has joined the channel
scottnick0516 11:58:50
這是昨天的簡報~~
Three Equivalent Characterizations of the Dragon Sequence (1).pdf
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scottnick0516 11:59:16
而且一個不小心多討論了很多有趣的東西.
scottnick0516 11:59:16
而且一個不小心多討論了很多有趣的東西.
Chen, Chu-Han 13:35:57
@nota32084 has joined the channel
Shin-Cheng Mu 14:32:48
補充資料：昨天聊到這篇許多次～

Davis, Chandler and Knuth, Donald E.,
Number representations and dragon curves.
Journal of Recreational Mathematics, 3:66-81, 1970.
Davis.C1970.pdf
Shin-Cheng Mu 15:13:38
@scottnick0516 請問關於 Gray code 的部分是在那篇看到的呢？
Shin-Cheng Mu 15:13:38
@scottnick0516 請問關於 Gray code 的部分是在那篇看到的呢？
lcamel 20:25:24
不知道有沒有人用物理鏡像來 記憶/形容 dragon curve 的 ...?
不用 0 1 或 L R, 而是選 d b (或 < > / p q ...)
d 照鏡子變成 b
每次是 "照鏡子再中間補 d"
```D(0) =
D(1) =
d
D(2) = d b
d d b
D(3) = d d b d b b
d d b d d b b

D(0) =
D(1) =
< D(2) = < >
< < >
D(3) = < < > < > >
< < > < < > >```
lcamel 20:25:24
不知道有沒有人用物理鏡像來 記憶/形容 dragon curve 的 ...?
不用傳統的 0 1 或 L R, 而是選 d b (或 < > / p q ...)
d 照鏡子變成 b
每次是 "照鏡子再中間補 d"
```D(0) =
D(1) =
d
D(2) = d b
d d b
D(3) = d d b d b b
d d b d d b b

D(0) =
D(1) =
<
D(2) = < >
< < >
D(3) = < < > < > >
< < > < < > >```
2026-10-10
scottnick0516 16:02:17
Gray code的可以在這裡看
doi.org/10.2298/AADM1000005B
lcamel 18:56:13
這篇介紹了許多 dragon curve 的性質
user42.tuxfamily.org/dragon/index.html