Recent content by Estane

Homework Statement Show that ∇_{x}|x-y|-3= -(x-y)|x-y|-3 x and y are vectors.Homework Equations The Attempt at a Solution When dealing with just a straight up absolute value I know that a solution can be found by using a piece wise approach, but I don't think that's what I should be using...

Ok, thank you for your help.

So if I'm understanding this correctly, all the derivatives should be ordinary rather than partial in this case?

Homework Statement I'm trying to understand how a certain substitution can be made with regards to taking the partial derivative of a function product when the variable I am differentiating by is a function itself.Homework Equations (∂/∂p) (v(p)p(x,t)) = v(p) + (∂v/∂p)pThe Attempt at a...