CHAPTER 4 GRADIENT, DIVERGENCE CURL AND Example 4.16   Evaluate if is a differentiable vector field.  A   A A2 kˆ iˆ A3 A1 ˆ ˆj ˆj     iˆ x kˆ j              Example 4.17  Evaluate where is a scalar field.   iˆ ˆj kˆ 2 0  2 2   
CHAPTER 4 GRADIENT, DIVERGENCE AND CURL Example 4.16 Evaluate    if A is a differentiable vector field.  A  iˆ A1 ˆj A2 kˆ A3 ˆ     iˆ ˆj kˆ  j             Example 4.17 Evaluate   where  is a scalar field.    iˆ ˆj kˆ 2 2 2  0 x