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作者 Madroach 在 PTT [ Math ] 看板的留言(推文), 共124則
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Re: [其他] 要怎麼知道自己適不適合數學系 ?
[ Math ]13 留言, 推噓總分: +13
作者: herstein - 發表於 2011/03/01 18:57(13年前)
1FMadroach:推 數學是解決數學問題的 不該迷失於證明中03/01 19:13
[其他] 要怎麼知道自己適不適合數學系 ?
[ Math ]46 留言, 推噓總分: +13
作者: kusoayan - 發表於 2011/02/28 20:01(13年前)
35FMadroach:你既然愛物理成績又夠 就去清大物理阿Q Q02/28 23:47
[分析] 請問一下這些書的解答要去哪找
[ Math ]20 留言, 推噓總分: +9
作者: andy2167871 - 發表於 2011/02/24 10:43(13年前)
14FMadroach:.......= ="02/24 21:24
[微積] 考古題請教
[ Math ]10 留言, 推噓總分: +3
作者: wyob - 發表於 2011/02/22 19:06(13年前)
8FMadroach:畫圖看 sin(pi/2)=1 x在大約1.5~1.6的地方y是102/22 21:58
9FMadroach:x=y的圖形就都在它上面02/22 21:58
[其他] 所謂的內積
[ Math ]3 留言, 推噓總分: +1
作者: john11894324 - 發表於 2011/02/19 22:47(13年前)
1FMadroach:線性代數應該都會有完整定義 函數也是一種向量02/19 23:11
[線代] normal operator
[ Math ]2 留言, 推噓總分: +2
作者: Jer1983 - 發表於 2011/02/18 22:32(13年前)
1FMadroach:T*T=TT* iff 存在orthonormal的特徵向量基底 是定理02/18 23:47
2FMadroach:你可以翻翻6.4Schur定理的下兩頁那個定理 沒記錯的話02/18 23:52
[微積] 一題極限
[ Math ]9 留言, 推噓總分: +3
作者: luke2 - 發表於 2011/02/15 23:24(13年前)
4FMadroach:分子永遠是0 分母是無限靠近0 這樣是002/15 23:42
[線代] 內積的計算
[ Math ]1 留言, 推噓總分: +1
作者: mqazz1 - 發表於 2011/02/15 21:00(13年前)
1FMadroach:標準內積 sigma (a_i)conj(b_i)02/15 21:11
[分析] 請教兩題函數相關
[ Math ]7 留言, 推噓總分: +3
作者: wyob - 發表於 2011/02/14 11:11(13年前)
6FMadroach:metric space都會成立:連續把緊緻送到緊緻02/14 12:21
Re: [線代] 幾個命題的真偽
[ Math ]24 留言, 推噓總分: +4
作者: ilovecs34 - 發表於 2011/02/14 10:40(13年前)
1FMadroach:對耶!這是個好辦法! 謝謝你!! :)02/14 10:59
10FMadroach:嗯真的耶 題目確實有寫 over R @@"02/15 22:13