intro_to_electrodynamics.pdf

intro_to_electrodynamics.pdf
Introduction to Electrodynamics
R. D. Reece
November 2, 2005


1 Vector Calculus
1.1 Denitions
Vector Addition:

A + B ≡ (Ax + Bx )x + (Ay + By )y + (Az + Bz )z (1)

Multiplication by a scalar:

φA ≡ φAx x
+ φAy y
+ φAz z
(2)

Dot or Scalar Product:

AB = Ax B x + Ay B y + Az B z (3)
= A B cos θ (4)

Cross or Vector Product:
x y