GenerateTensors - Maple Help
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Tensor[GenerateTensors] - generate a list of all product tensors from a list of lists of tensors

Calling Sequences

    GenerateTensors(Tlist)

Parameters

   Tlist    - a list of lists of tensor fields

 

Description

Examples

Description

• 

With Tlist = [] the command GenerateTensors(Tlist) will generate a list of tensors by forming all possible r-fold tensor products  , where the first tensor  belongs to the list  the second tensor  belongs to the list , and so on.

• 

This command is part of the DifferentialGeometry:-Tensor package, and so can be used in the form GenerateTensors(...) only after executing the command with(DifferentialGeometry) and with(Tensor) in that order. It can always be used in the long form DifferentialGeometry:-Tensor:-GenerateTensors.

Examples

 

Example 1.

First create a 3 dimensional manifold  

 

Create a list L1 of all type (1, 1) tensors on

M > 

(2.1)
M > 

(2.2)
M > 

(2.3)
M > 

(2.4)

 

Example 2.

Create a list  of all rank 3 covariant tensors which are symmetric in their first 2 indices.

M > 

(2.5)
M > 

(2.6)
M > 

(2.7)

 

Example 3.

Create a list  of all rank 3 covariant tensors which are skew-symmetric in their first 2 indices.

M > 

(2.8)
M > 

(2.9)
M > 

(2.10)

See Also

DifferentialGeometry

Tensor

DGinfo

GenerateSymmetricTensors

GenerateForms

 


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