direction derivative

Related BrainMass Solutions

• Finding Directional Derivatives

  grad f = = Unit vector The directional derivative for f at the point in the direction of u = At x = 0, y = -/6, z =  Directional derivative = The expert determines what the directional derivatives of a point in a parallel direction

• Multivariable calculus

  The direction of -grad g(x,y,z) is the direction with the minimal directional derivative.

• Directional Derivative

  18496 Directional Derivative Find the directional derivative of f(x,y) = 2x^3-y^2+xy at the point (1,2) in the direction of the vector (1,3). Be careful: That direction vector isn't a unit vector!

• Directional derivatives

  ( (df/fs)]u : I can't write the symbol clearly but it means : the derivative of f according to s on the direction of u (u is a unit vector).

• Force and Direction on a Particle

  (b) at Point B the derivative is positive (the potential energy increases), hence the force in negative and points in the negative x-axis direction. (c) The total energy of the system (kinetic plus potential) is constant.

• maximum value of the directional derivative

  b) compute the directional derivative (triangle u) f(3,2) where u is the unit vector in the direction of v = <4,3> c) Find the maximum value of the directional derivative of f(x,y) at (3,2) and the direction in which it occurs.

• Calculus - Directional Derivative

  125201 Calculus - Directional Derivative ^ Find the directional derivative of f at P in the direction of a , where f(x,y) = x^2 - 3xy + ^ 4y^

• Multiple Variable Calculus

  Solution: (a) Unit vector in the direction i+2j Directional derivative at the point (1,0) in the direction of i+2j is (2, 1)* = (b) Solution: Gradient vector at the point (1,0) is 2i+j.

• Directional derivative

  205797 Find the directional derivative of f Find the directional derivative of f at the given point in the direction indicated by the angle f(x,y)= sin(x+2y), (4,-2), theta= -2pi/3 Please see the attached file for detailed solution.