計劃進修PhD/Research討論區(20) 像花雖未紅 如冰雖不凍

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2017-05-29 13:32:27






2017-05-29 13:38:43
計劃轉去外國PhD
2017-05-29 13:55:44
2017-05-29 13:59:33

黎緊去munich,其實有少少驚

2017-05-29 14:00:43

黎緊去munich,其實有少少驚

2017-05-29 14:01:29

黎緊去munich,其實有少少驚


2017-05-29 14:08:22

黎緊去munich,其實有少少驚

2017-05-29 14:17:28

黎緊去munich,其實有少少驚



去munich讀master,留兩年,9月尾到埗 巴打係munich有conference?

2017-05-29 14:52:51


2017-05-29 15:10:05



365日夏天,無哂人生樂趣

Agger
2017-05-29 15:14:25

2017-05-29 15:19:46

2017-05-29 15:21:35

黎緊去munich,其實有少少驚


2017-05-29 15:22:37


2017-05-29 15:30:31

黎緊去munich,其實有少少驚



2017-05-29 15:35:22

黎緊去munich,其實有少少驚




2017-05-29 16:26:12
我有個兩個matrix (in real numbers)
A = [a11 a12; a21 a22]; invertible
B = [b11 b12; b21 b22]; invertible
Ax = C; then x = A^-1*C

A每個element aij converges to bij, say when n->oo
咁x 係會"converge" to x = B^-1*C??

maybe trivial?
2017-05-29 16:39:27
我有個兩個matrix (in real numbers)
A = [a11 a12; a21 a22]; invertible
B = [b11 b12; b21 b22]; invertible
Ax = C; then x = A^-1*C

A每個element aij converges to bij, say when n->oo
咁x 係會"converge" to x = B^-1*C??

maybe trivial?

yes, matrix inverse is continuous

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