fizali Messages 2 Reaction score 0 Thread starter Feb 26, 2008 #1 ı need to learn how can ı calculate ' del . r (A . r) ' where 'A' is a constant vector , 'r' is a distance vector and '.' is dot product. the result must be 4(a.r)
ı need to learn how can ı calculate ' del . r (A . r) ' where 'A' is a constant vector , 'r' is a distance vector and '.' is dot product. the result must be 4(a.r)
fizali Messages 2 Reaction score 0 Feb 26, 2008 #2 vector operator dot how can ı find the solution of the this equation. ' del . r (r.A)= 4(r.A) '