Measures the "flux density" at a point, identifying sources or sinks in fluid flow and electromagnetic fields.
Connects scalar fields (like temperature or potential) to vector fields, indicating the direction of steepest increase. Divergence ( application of vector calculus in engineering field ppt
A 2D contour map of a parking lot, with a car moving downhill along the gradient lines toward a parking spot, avoiding obstacle "mountains." Measures the "flux density" at a point, identifying