How can I apply tensor to reality?

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    Tensor
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Discussion Overview

The discussion centers around the application of tensors in real-world contexts, particularly in physics. Participants explore how to transition from theoretical understanding to practical application, with a focus on specific areas such as general relativity and differential geometry.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • Will expresses a desire to understand how to apply tensors to reality, feeling that he lacks practical knowledge despite having read introductory materials.
  • Some participants suggest looking into existing posts on tensors that reference practical examples, such as the energy tensor and momentum tensor.
  • Will inquires about the experiences of others in formulating physical concepts using tensors and seeks guidance on how to begin this process.
  • Another participant notes that tensors are commonly used in fields like general relativity and differential geometry, indicating potential areas for application.

Areas of Agreement / Disagreement

Participants generally agree on the importance of understanding practical applications of tensors, but there is no consensus on specific methods or experiences shared regarding their application.

Contextual Notes

Participants have varying levels of familiarity with tensors, and there may be assumptions about prior knowledge that are not explicitly stated. The discussion reflects a range of experiences and interpretations of how tensors can be applied in different contexts.

Who May Find This Useful

This discussion may be useful for physics students and professionals interested in the practical applications of tensors in theoretical and experimental physics.

Will_C
Hello all,
I am a physics graduate student, come from a small city of China, Hong Kong. This is my first post. And there is a little bit excited for me, because my thought can be shared with anyone around the world. This is a very nice forum for me and for the human. Thank you for the co-founder of the stie. Maybe I should stop my poor intro and return to the question.

I have read few materials about tensor: Quick Introduction to Tensor.pdf by R.A. Sharipov, Introduction to Tensor of Physics and Engineering.pdf by Joseph C. Kolecki and Vector Analysis by M.R. Spiegel. Also the chapters about tensor in few mathematical books.
But the problem for me is I don't know how to use tensor or how to apply tensor to the reality. I know the elementary operation of tensor, but it is more important for me to know the application.

Now I am like a monkey, is explained and introducted different parts of a car. Unfortunlately the monkey still don't know how to drive the car.
Is it the basic knowledge does not enough for me? Or the ability of monkey is not able to drive?
Would anyone can show me the way for summit of tensor?
Thank You!

Will.

We have no freedom, but we have choice. And I choose "NO WAR".
 
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Will, Have you read the other posts here on tensors? there seem to be some very useful stuff, including references to examples like the energy tensor and the momentum tensor.
 
Thanks mathwonk,
I do have read some of posts.
May I ask you that do you have any experience on formulating some of the physical natures into tensor? Or to build up a theory on tensor?
How do you start?

Will.
We have no freedom, but we have choice. And I choose "NO WAR".
 
Hi Will

Welcome to the forum. The most common place that I've found use of tensors is in general relativity and differential geometry.

Pete
 

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