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8. [10 points) a. Consider the function f (x1, x2) = x1 - xż. Investigate convexity...
Consider the quadratic function f(x1, x2) = 3(xỉ + xz) + (1 + a)21&2 – 21 – 22. a) Find all values of a for which f has a strict global minimum. b) Assume that the steepest decent method with the fixed stepsize t = is utilized for f. Find all values of a for which this method converges.
(Unconstrained Optimization-Two Variables) Consider the function: f(x1, x2) = 4x1x2 − (x1)2x2 − x1(x2)2 Find a local maximum. Note that you should find 4 points that satisfy First Order Condition for maximization, but only one of them satisfies Second Order Condition for maximization.
[2 points] Find the absolute maximum and minimum values of the function f(x, y) = e*- (x2 +2y2) on the domain D: {x,y) | x2 + y24}. 13. [2 points] Find the absolute maximum and minimum values of the function f(x, y) = e*- (x2 +2y2) on the domain D: {x,y) | x2 + y24}. 13.
(45 Points) Consider the constrained optimization problem: min f(x1, x2) = 2x} + 9x2 + 9x2 - 6x1x2 – 18x1 X1 X2 Subject to 4x1 – 3x2 s 20 X1 + 2x2 < 10 -X1 < 0, - x2 < 0 a) Is this problem convex? Justify your answer. (5 Points) b) Form the Lagrange function. (5 Points) c) Formulate KKT conditions. (10 Points) d) Recall that one technique for finding roots of KKT condition is to check all permutations...
Consider the function f(x, y) = (x2 + y²)e-2. Find the correct answer for the function f Select one: A. f(x, y) takes minimum value at the point (2,0) B. f(x, y) has one minimum and one saddle point c. f(x,y) has one maximum and one saddle point D. f(x,y) has only one critical point E. f(x, y) takes negative values in the domain [0, 2] [0, 2]
1. Consider the utility function: u(x1,x2) = x1 +x2. Find the corresponding Hicksian demand function 2. For each of the three utility functions below, find the substitution effect, the income effect, and the total effect that result when prices change from p = (2,1) to p' = (2,4). Assume the consumer has income I = 20. (a) Before doing any calculation, make an educated guess about the relative magnitude of the three substitution effects and the three income effects to be found below. (b)...
(2 points) Find the maximum and minimum values of the function f(x, y) = 2x2 + 3y2 – 4x – 5 on the domain x2 + y2 < 100. The maximum value of f(x, y) is: List the point(s) where the function attains its maximum as an ordered pair, such as (-6,3), or a list of ordered pairs if there is more than one point, such as (1,3), (-4,7). The minimum value of f(x,y) is: List points where the function...
f(x1, x2) = -2(x1)(x2)+ (x1)^3 + (x2)^3 a) Find a maximum in the region where x1 ≤ 1 and x2 ≤ 1 (Hint: remember to check what happens when x1 = 1 and x2 = 1) b) Now consider (x1, x2) ∈ R 2 , that is, the entire two-dimensional space where x1 and x2 are in[−∞,+∞]. Is there a maximum?
2. Consider the following function: f (x1, x2) = x1 – 2V82 (a) Write down the Hessian matrix. (b) Is the function convex at the point (x1 = 1, X2 = 2)?
Name: 1. For the function f(x) = x2 – 1 find and simplify: a. f(-2) b. f(-x) c. -f(x) d. f(x - 2) 2. Find the domain of each function below. Write your answer in interval notation. a. f(x) = x + 2 x2 + x - 6 b. 8(x) = (2x - 1 1 f(x + h) - f(x) 3. For the function f(x) = 2x2 – 3, find the difference quotient h 4. Use the graph of the...