Gradient

Gradient of a function f(x) = f(x1, …, xn) is vector = (. In the Figure is depicted an interesting property of gradient: it points in the direction of the maximum increase of the function f(x).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1

Maximum increase of the function along the gradient