作者查詢 / Rasin
作者 Rasin 在 PTT 全部看板的留言(推文), 共11641則
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2F→: http://pgfplots.sourceforge.net/pgfplots.pdf09/04 07:01
71F推: 30差不多生理發育完成 30-35大概算獅毛剛長齊 謝謝08/30 12:53
19F推: 綠茶是好物125.224.160.131 08/15 19:46
22F→: 可怕的不是不懂數學 是軍階掛上去什麼都懂125.224.232.165 08/14 09:00
23F→: 我是很懷疑他們自己在講什麼可能都不知道吧125.224.232.165 08/14 09:00
27F→: 幹終於知道怎麼會有省水裝置這種天才發明了125.224.232.165 08/14 09:04
1F→: https://reurl.cc/kELnNd08/06 20:31
2F→: num=Power[x+1,2]-1; den=Power[x-1,2]+1;08/06 20:32
3F→: eq=num-y*den==0;08/06 20:33
6F→: D>=0就可以了謝08/06 21:35
7F→: 是08/06 21:35
9F→: 推文就是解法08/06 22:16
4F→: Solve[D>=0 of eq,y]08/06 20:35
11F→: y = a*x^2 + b*x + c08/06 22:36
12F→: -> a*x^2 + b*x + (c-y) = 008/06 22:37
13F→: -> D = b^2 - 4*a*(c-y) >= 008/06 22:38
14F→: -> y >= -(b^2-4ac)/(4a)...if a>008/06 22:40
15F→: -> y <= -(b^2-4ac)/(4a)...if a<008/06 22:41
1F推: 看臉125.224.225.2 07/24 10:55
25F推: 認真 女人嘴巴屌打男人 不過只有40以前125.224.225.30 07/21 13:29
15F噓: 結果是詐騙就好笑了 本來被騙50萬現在變150萬UCCU07/16 12:46
5F推: 4X還來得及125.224.200.84 07/16 10:38
10F推: 就正常一般而已...125.224.189.95 07/13 11:54