Recent content by Nigel Wood

Many thanks. I'd better look into the concept of a second order tensor.

Many thanks, renormalize. So Jeevanjee's being too restrictive? No wonder he doesn't use the Cauchy stress tensor as an example.

I've just started learning about tensors from Jeevanjee's highly praised 'An Introduction to Tensors and Group Theory for Physicists'. He defines a tensor as a function, linear in each of its arguments, that takes some vectors (maybe only 2) and produces a number. [The components of the tensor...