Wow I'm not sure how I missed that source, it is incredibly useful. Thanks for sharing!
I didn't realize that link wasn't open to everyone, for anyone else reading this thread here is a mirror: http://einsteiniumstudios.com/fabric_tensors.pdf
I just found that a page earlier direction is represented by unit vector n, so I think this is correct. However my next confusion is what nin represents.
As for the paper it is called "Distribution of Directional Data and Fabric Tensors," and I am referencing the beginning of page 2...
Summary: Meaning of each member being a unit vector, and how the products of each tensor can be averaged.
Hello!
I am struggling with understanding the meaning of "each member is a unit vector":
I can see that N would represent the number of samples, and the pointy bracket represents an...