Find the directional derivative of f x, y = 3 x^2 y at the point (1,2) in the direction of v= 3 i+4 j . after i find the unit vector i am lost...can anyone help???
Follow Math Help Forum on Facebook and Google+
Originally Posted by chris25 Find the directional derivative of f x, y = 3 x^2 y at the point (1,2) in the direction of v= 3 i+4 j . after i find the unit vector i am lost...can anyone help??? The directional derivative can be defined in terms of the gradient: Well, once we get the unit vector , we need to find Note that the operator [in this case] refers to Thus Now we can see that: Thus, Does this make sense? --Chris
Originally Posted by Chris L T521 The directional derivative can be defined in terms of the gradient: Well, once we get the unit vector , we need to find Note that the operator [in this case] refers to Thus Now we can see that: Thus, Does this make sense? --Chris
View Tag Cloud