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# Vector Fields - PowerPoint PPT Presentation

Vector Fields. 1. Computer ||F|| and sketch several representative vectors in the vector field (Similar to p.1067 #7-16). 2. Find the conservative vector field for the potential function by finding its gradient (Similar to p.1067 #21-29) Hint: F(x, y) = f x i + f y j.

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## PowerPoint Slideshow about ' Vector Fields' - cahil

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### Vector Fields

1. Computer ||F|| and sketch several representative vectors in the vector field(Similar to p.1067 #7-16)

2. Find the conservative vector field for the potential function by finding its gradient(Similar to p.1067 #21-29)Hint: F(x, y) = fxi + fyj

3. Find the conservative vector field for the potential function by finding its gradient(Similar to p.1067 #21-29)Hint: F(x, y) = fxi + fyj

4. Verify that the vector field is conservative function by finding its gradient(Similar to p.1067 #31-34)Hint: F(x, y) = Mi + Njconservative if:

5. Determine whether the vector field is conservative. function by finding its gradient(Similar to p.1067 #35-38)Hint: F(x, y) = Mi + Njconservative if:

6. Determine whether the vector field is conservative. function by finding its gradient(Similar to p.1067 #35-38)Hint: F(x, y) = Mi + Njconservative if:

7. Determine whether the vector field is conservative. If it is, find a potential function for the vector field(Similar to p.1067 #39-48)Hint: F(x, y) = fxi + fyjafter you get fx and fy, take the integral with respect to the variable to get the potential function

8. Determine whether the vector field is conservative. If it is, find a potential function for the vector field(Similar to p.1067 #39-48)Hint: F(x, y) = fxi + fyjafter you get fx and fy, take the integral with respect to the variable to get the potential function

9. Determine whether the vector field is conservative. If it is, find a potential function for the vector field(Similar to p.1067 #39-48)Hint: F(x, y) = fxi + fyjafter you get fx and fy, take the integral with respect to the variable to get the potential function

10. Find curl F for the vector field at the given point it is, find a potential function for the vector field(Similar to p.1067 #49-52)

Test for Conservative Vector Field in Space it is, find a potential function for the vector field

Suppose that M, N, and P have continuous first partial derivatives in an open sphere Q in space. The vector field given by F(x, y, z) = Mi + Nj + Pk is conservative if and only if

Curl F(x, y, z) = 0

That is, F is conservative if and only if:

11. Determine whether the vector field is conservative. If it is, find a potential function for the vector field(Similar to p.1068 #57-62)Hint: F(x, y) = fxi + fyj+ fzkafter you get fx, fy, and fz, take the integral with respect to the variable to get the potential function

Definition of Divergence of a Vector Field it is, find a potential function for the vector field

The divergence of F(x, y) = Mi + Nj is:

The divergence of F(x, y, z) = Mi + Nj + Pk is:

If div F = 0, then F is said to be divergence free

12. Find the divergence of the vector field it is, find a potential function for the vector fieldF(Similar to p.1068 #63-66)

13. Find the divergence of the vector field it is, find a potential function for the vector fieldF(Similar to p.1068 #63-66)

14. Find the divergence of the vector field it is, find a potential function for the vector fieldFat the given point(Similar to p.1068 #63-66)