Gradients of vectors expressions
See attached file for full problem description.
f = r.k/|r^3|
What is the gradient of f?
Show that for vectors v and r and constant vector a we get:
if v=(a.r)r
Div(v) = 4(a.r)
Curl(v) = a x r
https://brainmass.com/math/basic-algebra/gradients-vectors-expressions-21870
Solution Summary
The gradients and vector expression functions are determined.
$2.19