MATH 234 Lecture Notes - Lecture 14: Dot Product, Level Set, Parametrization

23 views5 pages

Document Summary

The gradient of the function f(x, y) is the vector z = f(x, y) , x = x(t) , y = y(t) z(t) = f(x(t) , y(t)) Example: f(x, y) = ax2 + bxy + cy2 dzdt = f x f t + f ydydt grad(f) = f = (cid:4678) f x f y (cid:4679) F (0, 1) = (cid:4666)b2c(cid:4667) dzdt = f: (cid:4666)dxdt , dydt (cid:4667) We suppose that f(x ) x (cid:4666) (cid:4667) X || x || << 1 x = xo + x . The chain rule can be written as the following dot product: dot product. This is equivalent to saying f is a function of x & y. If a & b are any two vectors a : b = ||a |, ||b || cos cos of the angle between a, b. F (xo : x = || f (xo )|| || x || cos .

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related textbook solutions

Related Documents

Related Questions