/sci/ - Science & Math » Thread #12540869

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Anonymous Sun 03 Jan 18:53:45 2021 No.12540869 View Reply Original Report

Quoted By: >>12540877 >>12541197 >>12542535 >>12542537 >>12542788

Are tensor products difficult to understand or am I just a retarded brainless engineer that has been filtered?

Anonymous

Anonymous Sun 03 Jan 2021 18:54:56 No.12540877 Report

Quoted By:

>>12540869
They are conceptually more difficult than things that are usually taught before them.
If you tell us what in particular confuses you I can explain.

Anonymous

Anonymous Sun 03 Jan 2021 20:02:15 No.12541092 Report

Quoted By: >>12541150

If you can't understand the universal property defining the tensor product of modules. You are a retard.

Anonymous

Anonymous Sun 03 Jan 2021 20:18:46 No.12541150 Report

Quoted By:

>>12541092
seething mathfag

Anonymous

Anonymous Sun 03 Jan 2021 20:29:12 No.12541197 Report

Quoted By:

>>12540869
It's just a sequence of numbers.

Anonymous

Anonymous Mon 04 Jan 2021 02:53:25 No.12542535 Report

Quoted By:

>>12540869
Think of it like a shift in perspective.

Anonymous

Anonymous Mon 04 Jan 2021 02:54:42 No.12542537 Report

Quoted By: >>12542730

>>12540869
what context are they appearing in?

Anonymous

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Anonymous Mon 04 Jan 2021 02:58:09 No.12542544 Report

Quoted By: >>12542548

I'm trying to understand what is happening in the first part of the second line of this picture.

How does he make both of the first coefficients equal to 3?

https://jeremykun.com/2014/01/17/how-to-conquer-tensorphobia/

Anonymous

Anonymous Mon 04 Jan 2021 03:00:07 No.12542548 Report

Quoted By: >>12542561

>>12542544
(ab x c) = (a x bc)

Anonymous

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Anonymous Mon 04 Jan 2021 03:04:08 No.12542561 Report

Quoted By: >>12542565

>>12542548
oh right im an idiot

Anonymous

Anonymous Mon 04 Jan 2021 03:05:24 No.12542565 Report

Quoted By:

>>12542561
nah, tensors are hard until they're not

Anonymous

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Anonymous Mon 04 Jan 2021 03:59:27 No.12542730 Report

Quoted By: >>12542764 >>12543127 >>12543136

>>12542537
continuum mechanics, elasticity

Anonymous

Anonymous Mon 04 Jan 2021 04:09:16 No.12542764 Report

Quoted By:

>>12542730
Yeah this is pretty impenetrable. In general the tensor product of vector spaces isn't too bad, but I have no idea what's going on here

Anonymous

Anonymous Mon 04 Jan 2021 04:21:35 No.12542788 Report

Quoted By: >>12542821

>>12540869
Weekuhly is sci now? Jihans trunorth

Anonymous

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Anonymous Mon 04 Jan 2021 04:35:01 No.12542821 Report

Quoted By:

>>12542788
Are you drunk? Very true.

Anonymous

Anonymous Mon 04 Jan 2021 05:20:45 No.12542891 Report

Quoted By:

Algebraic tensors are not. Tensor fields and densities on manifolds are much harder.

Anonymous

Anonymous Mon 04 Jan 2021 07:11:59 No.12543127 Report

Quoted By: >>12543174

>>12542730
>lemme get some of dat k-th crack homie
Now to get something useful out of these equations so that it applies to our 3D world

Anonymous

Anonymous Mon 04 Jan 2021 07:18:07 No.12543136 Report

Quoted By: >>12543174

>>12542730
did you check [17]?

Anonymous

Anonymous Mon 04 Jan 2021 07:36:00 No.12543174 Report

Quoted By:

>>12543127
It's called image processing brother ;)
>>12543136
Yes it's the most beautiful paper ive ever read about in my dumb crack field full of dummies like me

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