Cross product between vecter and tensor

In summary, a cross product between a vector and a tensor is a mathematical operation that results in a third vector. This operation involves taking the dot product of the vector with each row of the tensor and then combining the resulting vectors into a new vector. The cross product is useful in many applications, such as calculating torque in physics, and can also be used to determine the orientation of a plane or surface in three-dimensional space. It is also closely related to the concept of a cross product between two vectors, but with the added complexity of involving a tensor in the calculation. Overall, the cross product between a vector and a tensor is a powerful tool in mathematics and physics, allowing for the manipulation and analysis of vectors and tensors in three-dimensional space.
  • #1
MatCond
1
0

Homework Statement



Just wanted to ask what's the definition of the cross product between a vector and a range two tensor


The Attempt at a Solution



[tex](x \times \hat{T})_{i\beta}=\epsilon_{ijk} x_j T_{k\beta} [/tex]
 
Last edited:
Physics news on Phys.org
  • #3
if those were true, then is the following correct ?

[tex]

-(\hat{T}^{T} \times x) = (x \times \hat{T})^{T}

[/tex]
 

FAQ: Cross product between vecter and tensor

What is a cross product between a vector and a tensor?

A cross product between a vector and a tensor is a mathematical operation that results in a new tensor. It involves multiplying a vector with a tensor to produce a new tensor that is orthogonal to both the original vector and tensor. This operation is commonly used in vector calculus and physics to describe the relationship between two quantities.

How does a cross product between a vector and a tensor differ from a dot product?

A cross product between a vector and a tensor is different from a dot product in that the dot product results in a scalar quantity, while the cross product results in a tensor quantity. Additionally, the dot product is commutative, meaning the order of the vectors does not matter, while the cross product is anti-commutative, meaning the order of the vector and tensor matters.

What are the applications of cross product between a vector and a tensor?

The cross product between a vector and a tensor has various applications in fields such as physics, engineering, and computer graphics. It is used to describe the torque on a rotating object, the force on a current-carrying wire in a magnetic field, and the orientation of a 3D object in computer graphics.

Can a cross product be performed between two tensors?

Yes, it is possible to perform a cross product between two tensors, resulting in a new tensor. This operation is commonly used in multilinear algebra and is known as the tensor product or outer product. It involves multiplying the elements of one tensor with the elements of the other tensor to produce a new tensor that describes the relationship between the two tensors.

How is the cross product between a vector and a tensor calculated?

The cross product between a vector and a tensor can be calculated using the vector cross product formula, which involves taking the determinant of a matrix formed by the vector and the tensor, with the vector as the first row and the tensor as the remaining rows. This formula can be extended to calculate the cross product between two tensors by taking the determinant of a larger matrix formed by the two tensors.

Similar threads

Replies
3
Views
2K
Replies
3
Views
2K
Replies
6
Views
2K
Replies
2
Views
2K
Replies
7
Views
1K
Replies
5
Views
2K
Replies
2
Views
1K
Back
Top