
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 …
What Is a Tensor? The mathematical point of view.
Jan 26, 2025 · A tensor itself is a linear combination of let’s say generic tensors of the form . In the case of one doesn’t speak of tensors, but of vectors instead, although strictly speaking …
manifolds - Difference Between Tensor and Tensor field?
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 .
Definition of Second-Order Tensor by Jim Adrian
Sep 20, 2020 · A second-order tensor is comprised at least of a two-dimensional matrix, as an nth-order tensor is comprised at least of an n-dimensional matrix, but what else is in the formal …
What exactly is a tensor product? - Mathematics Stack Exchange
This is a beginner's question on what exactly is a tensor product, in laymen's term, for a beginner who has just learned basic group theory and basic ring theory. I do understand from wikipedia …
What is a Rank 3 Tensor and Why Does It Matter? - Physics Forums
May 10, 2007 · Hello Gals, I know what a scalar is. I know what a vector is. I know what a linear transformation is. But what in the name of sweet aunt petunia is a rank 3 tensor? Love, Plx Mny
What does the dot product of a tensor and a vector represent?
The meaning of the dot product of two vectors has been well explained below: What does the dot product of two vectors represent? What is physical interpretation of dot product? [duplicate] …
Is there any difference between Metric, Metric Tensor, Distance …
Apr 26, 2014 · The discussion clarifies the distinction between a metric, a metric tensor, and a distance function. A metric is a distance function defined on a metric space, while a metric …
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.
Difference between covariant and contravariant levi-civita tensor?
Sep 10, 2010 · The title says it all, basically I'm trying to figure out what the difference is between the two tensors (levi-civita) that are 3rd rank. Do they expand out in matrix form differently?