[數撚圍爐區] abc conjecture is still a conjecture (3)

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11 Like 1 Dislike
2018-11-08 07:31:16
2018-11-08 16:56:52
2018-11-08 17:06:09
2018-11-08 18:16:43
當年讀到WOW WOW聲,一開波問鋪棋盤都O咗嘴
最後淨係學識pigeonhole principle
2018-11-09 04:17:26
x+y=7
3x+y=3

唸左好耐
功課最後一題
2018-11-09 04:27:21
多謝巴打
2018-11-09 05:34:24
2018-11-09 06:06:25
2018-11-09 11:29:45
其實complex number 當唔當scalar
2018-11-09 11:30:43
做咩咁執着
C is a 1 dim vector space over C
C is a 2 dim vector space over R
2018-11-09 11:31:57
即刻諗通咗
2018-11-09 11:38:35
點解啲數學佬唔整個符號俾basis
2018-11-09 11:40:12
咩符號
2018-11-09 11:40:46
on the other hand, C is a field
2018-11-09 11:41:48
Column space of A 可以寫Col(A)
Null Space 可以寫Nul(A)

但basis就冇 次次都要寫A basis of A =
2018-11-09 11:42:17
因為basis is not unique
2018-11-09 11:42:32
Because basis for a vector space is not unique.
2018-11-09 11:43:10
比你追秒
2018-11-09 11:43:29
原來係因為咁
2018-11-09 11:43:30
Real vector space 可以 complexified 做 complex vector space
2018-11-09 11:43:39
2018-11-09 11:44:26
咁啱入黎
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