
What, Exactly, Is a Tensor? - Mathematics Stack Exchange
Every tensor is associated with a linear map that produces a scalar. For instance, a vector can be identified with a map that takes in another vector (in the presence of an inner product) and …
Are there any differences between tensors and multidimensional …
Feb 5, 2015 · Tensor : Multidimensional array :: Linear transformation : Matrix. The short of it is, tensors and multidimensional arrays are different types of object; the first is a type of function, …
What are the Differences Between a Matrix and a Tensor?
Jun 5, 2013 · The components of a rank-2 tensor can be written in a matrix. The tensor is not that matrix, because different types of tensors can correspond to the same matrix. The differences …
Tensor-Hom adjunctions - Mathematics Stack Exchange
Mar 23, 2014 · However, in the proof of the Hom/Tensor adjunction, the map that you define for the bijection can be seen to also be a homomorphism. Really you have to write out the proof in …
terminology - What is the history of the term "tensor"?
tensor - In new latin tensor means "that which stretches". The mathematical object is so named because an early application of tensors was the study of materials stretching under tension.
Calculating the Divergence of a Tensor - Mathematics Stack …
Sep 7, 2021 · Also what is the meaning of that comma in the index for the tensor - it is not anywhere included in the definition of $T$. An explanation of how to generally find the …
Why is a linear transformation a $ (1,1)$ tensor?
Jul 7, 2016 · And one more terminology issues worth mentioning here is that a the tensor product of two different vector spaces is sometimes called a tensor product space, but this is usually …
Determinant of a tensor - Mathematics Stack Exchange
Mar 30, 2015 · In General, the determinant for a rank $ (0,\gamma)$ covariant tensor of order $\Omega$ follows the following convention. In order to preserve covariance, the Levi-Civita …
Interpretation of $ (r,s)$ tensor - Mathematics Stack Exchange
Jul 31, 2014 · Regarding why a $ (0,1)$ tensor can be considered a vector, that is because (for finite-dimensional vector spaces) any vector space is isomorphic to its double dual vector …
Difference Between Tensor and Tensor field? - Mathematics Stack …
A tensor field has to do with the notion of a tensor varying from point to point . A scalar is a tensor of order or rank zero , and a scalar field is a tensor field of order zero .