Question regarding actual computation of tensor at point (Self Study)

• Feb 13, 2022

• #1

Amateur659

4

2

Hello all,

I am hoping to get some feedback on the manner in which I performed computations towards solving the following problem.

There are a couple specific points which I am not confident of:
1. Did I properly account for the manifold structure in my computation of the nonzero components?
2. Is the general process by which I compute each tensor component correct?

Finally, please let me know if I am making a mistake posting such questions here.

Thank you for your time and feedback!

 

Attachments

• 
  question.PNG

  8.7 KB · Views: 108

Physics news on Phys.org

• Research suggests how turbulence can be used to generate patterns
• High-quality microwave signals generated from tiny photonic chip
• Quantum talk with magnetic disks

• Feb 13, 2022

• #2

martinbn

Science Advisor

3,600

1,816

It looks fine.

 

• Feb 14, 2022

• #3

Amateur659

4

2

Awesome, thanks for the feedback.

 

1. What is a tensor and what is its role in computation?

A tensor is a mathematical object that describes the relationship between different coordinate systems. In computation, tensors are used to represent and manipulate data in multi-dimensional arrays, making it easier to perform calculations and analyze complex systems.

2. How is a tensor computed at a specific point?

To compute a tensor at a specific point, you first need to define the tensor's components and the coordinate system it is being computed in. Then, the values of the tensor at the given point can be calculated using a combination of mathematical operations and data inputs.

3. What are some common applications of tensor computation?

Tensor computation has a wide range of applications in fields such as physics, engineering, and machine learning. It is commonly used for tasks such as image and signal processing, data analysis, and modeling complex systems.

4. What are the main challenges in computing tensors?

One of the main challenges in computing tensors is dealing with high-dimensional data and complex mathematical operations. It can also be difficult to visualize and interpret the results of tensor computations, making it important to have a strong understanding of the underlying mathematics.

5. Are there any resources available for self-study on tensor computation?

Yes, there are many online resources available for self-study on tensor computation, including textbooks, lecture notes, and video tutorials. It is also helpful to have a strong foundation in linear algebra and calculus before diving into tensor computation.