Recent content by lemmiwinks

My main problem was I didn't really know the rules with the del operator and indicial notation. I think I got it now. Using V as the del operator: I solved out uX(VXv) and vX(VXu) which ended up cancelling out the first two terms on the right side and left me with the expanded version of the...

because I don't know how to work with gradients in index notation..

I'm actually stuck on this too if anybody knows how to do it that'd be fantastic.

Yeah I guess it was a stupid question I was just trying to think of how I would write it down on paper.

So I'm an engineering student and we're doing some work with tensors and indicial notation, and I came across something that I know is true but couldn't think of how to prove. I don't need it for homework or anything it's just a curiosity thing. OK, so Basically take a set of axes, 3...