Friday, December 28, 2018
"What's a Tensor"? How to describe every point in the Universe
Dan Fleisch explains “What’s a Tensor?”
Well, he says they map to the “facts of the universe”.
He starts with vectors (or vector spaces) and build a ranking system that corresponds to how blocks in a lego set can be arranged.
Tensors can be related to quaternions, I suspect.
When I went to K.U. in the 1960s for my M.A. in math, tensors was offered as a course.