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作者 thisday 在 PTT [ Math ] 看板的留言(推文), 共559則
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75F推:又要開始了嗎^^04/03 12:38
2F推:XD04/02 18:09
28F推:1. 54 2. 4404/01 22:46
1F推:想要最小值 就要設法成為一直線(AP+PQ+QB)03/27 00:31
2F→:而要如何成為一直線呢?03/27 00:31
3F→:你的想法有點接近 再想想看03/27 00:32
5F推:我自己算的答案是2503/27 00:40
1F推:XD03/25 23:41
2F→:集思廣益一下03/25 23:41
6F推:這可以轉棒球版XD03/25 22:53
1F推:等價03/19 13:27
1F推:Elementary Differential Geometry(Andrew Pressley)03/18 19:53
1F推:慢慢想 有一百個括號 每個括號可以提供三種東西03/18 00:45
2F→:而想要的是x^2303/18 00:45
3F推:Analogously之後有點小錯誤!!03/16 23:10
4F→:||b-c|| + ||a-d|| >= < a, b-c > + < a-d, b >03/16 23:11
5F→: =< a, c > - < d, b > 才對!!03/16 23:11
6F→:第二個式子改成||a-d||>= < a-d, b >03/16 23:13