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Jasmineoo

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[求助] 一道张量分析的习题不会做 已有1人参与

黄克智版的张量分析第一章,1.25题,不会做,求助~~感谢
一道张量分析的习题不会做
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Jasmineoo

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4楼: Originally posted by zaq123321 at 2014-11-25 22:38:36
= ] =(4 7 12; 8 14 20; 11 18 24)
= = (4 8 11; 7 14 18; 12 20 24)

I think this question is not very well stated. Basically says AB not equals BA.

【If they are square matrices and A and B are ...

You are right, thank u.
9楼2014-11-26 21:50:26
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feixiaolin

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2楼2014-11-25 21:13:15
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Jasmineoo

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引用回帖:
2楼: Originally posted by feixiaolin at 2014-11-25 21:13:15
http://wenku.baidu.com/link?url=b7cM50jrkLJpzKhBv7esbjWNtEQ6lMvgJWEgBi_cVVjZgFC96pshsarZSIWdlpE3XsUPcjnX1NqCgEeB7zN5aw4Y-YnLVmciydAp6VV1Sq_

看过了,没有这道题呀
3楼2014-11-25 21:28:35
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zaq123321

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【答案】应助回帖

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感谢参与,应助指数 +1
Jasmineoo(feixiaolin代发): 金币+5 2014-11-26 06:55:17
[T^i_.j] = [T^{ij'}][g_{j'j]] =(4 7 12; 8 14 20; 11 18 24)
[T_i^{.j}]=[g_{ij'}][T^{j'j}] = (4 8 11; 7 14 18; 12 20 24)

I think this question is not very well stated. Basically says AB not equals BA.

【If they are square matrices and A and B are both symmetric, then (AB)^T=BA】
小木虫给我温暖,给我希望,爱就要爱小木虫。
4楼2014-11-25 22:38:36
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