A community for students.
Here's the question you clicked on:
 0 viewing
kaiz122
 2 years ago
Directional Derivative please
kaiz122
 2 years ago
Directional Derivative please

This Question is Closed

kaiz122
 2 years ago
Best ResponseYou've already chosen the best response.0\[f(x,y)= \sin(xy)\] at \[2,\frac{\pi}{4}\]

muhammad9t5
 2 years ago
Best ResponseYou've already chosen the best response.0do you mean f(x)=sinx. f(y)=siny

kaiz122
 2 years ago
Best ResponseYou've already chosen the best response.0no, f(x,y)= sin(xy) Find \[d_{\theta}f(2, \frac{\pi}{4})\]

terenzreignz
 2 years ago
Best ResponseYou've already chosen the best response.0Okay, easiest way to do this is with gradients.

muhammad9t5
 2 years ago
Best ResponseYou've already chosen the best response.0oh looks like composite function.

kaiz122
 2 years ago
Best ResponseYou've already chosen the best response.0my answer is 0. is this right?

terenzreignz
 2 years ago
Best ResponseYou've already chosen the best response.0Sorry, was preoccupied. The directional derivative of a function in the direction of the vector v is given by this formula: \[\large \nabla f(x,y) \cdot \frac{v}{v}\]

terenzreignz
 2 years ago
Best ResponseYou've already chosen the best response.0So, first, you need to get the unit vector of \[<2, \frac{\pi}{4}>\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.