I am trying to figure out what exactly a dyadic is

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In summary: Try searching for "tensor theory" or "tensors" on the web for more information. In summary, a dyadic is a tensor of rank 2 and is related to tensor theory. It is not as effective as tensor theory and can only work with tensors of rank 2. It is recommended to search for "tensor theory" or "tensors" on the web for more information.
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gphys
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Hi,

I am trying to figure out what exactly a dyadic is, and how to evaluate an expression in dyadic form. I have the impression that it is related to tensors. Please let me know of any good links on the web if there are, and thanks for the help!
 
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gphys said:
Hi,

I am trying to figure out what exactly a dyadic is, and how to evaluate an expression in dyadic form. I have the impression that it is related to tensors. Please let me know of any good links on the web if there are, and thanks for the help!

A dyadic is an old fashioned way of trying to do tensor theory using the notation of the vector calculus. It can only work, of course, with tensors of rank two, since one can only take the dot product on left and right sides - unless you want to use up and down, of course. So, basically, it is a tensor of rank 2.

It is far better to avoid dyadics. They are a waste of time. There is no substitute for tensor theory. It does everything you could ever want it to do.
 

Related to I am trying to figure out what exactly a dyadic is

1. What is a dyadic in scientific terms?

A dyadic refers to a relationship between two entities or individuals. It can also refer to a type of measurement or statistical analysis that involves two variables.

2. Can you give an example of a dyadic relationship?

A classic example of a dyadic relationship is the bond between a parent and child. This relationship involves two individuals and is characterized by mutual influence and dependence.

3. How is a dyadic different from a triadic or polyadic relationship?

A dyadic relationship involves only two entities, whereas a triadic relationship involves three entities and a polyadic relationship involves more than three entities.

4. What is the significance of studying dyadic relationships?

Studying dyadic relationships can provide insights into patterns of behavior, communication, and influence between individuals. It can also help in understanding the dynamics of various social and professional interactions.

5. Are there any limitations or criticisms of using dyadic analysis?

Some limitations of dyadic analysis include the potential for oversimplification of complex relationships and the exclusion of contextual factors. Additionally, some critics argue that dyadic analysis ignores the influence of larger societal and cultural factors on individual behavior.

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