Ex 2: 2D Gradient Field - What do we see?
Ex. 2: We look at the 2D gradient field of a function z=f(x,y) and see what we can conclude. Can we see extreme values (stationary points) even it the gradient does not exist?. What can say about the growth rate of the function. What is vector scale? Great graphics with Mathematica - copy&paste: http://geogebrawiki.wikispaces.com/Gr...