Exercise 2 We consider the functional F: X → R defined by Find the minimum and...
this is an optimization subject. that is example 2.33 Question 2 (6 Marks) (Chapter 2) Consider the function f : R3 -R defined as f(x1,2,3 +4eli++21), (G) Explain why f has a global minimum over the set Hint: Read Example 2.33 (i) Find the global minimum point and global minimum value of f over the set C. Example 2.33. Consider the function/(x1,x2)=xf+xỈ over the set The set C is not bounded, and thus the Weierstrass theorem does not guarantee the...
Consider the function f : R → R defined by f(x) = !x if x is rational −x if x is irrational. Find all c ∈ R at which f is continuous. Consider the function f :R → R defined by .. х if x is rational f(x) = -2 if x is irrational. Find all c ER at which f is continuous.
q2 please (1) Evaluate the integral (r-1) min(a, y) dy dr, Jo Jo where min(x, y) is the minimum value of r and y. (2) Let f,g : R → R be functions of one variable such that f" and g" are continuous. Show that (f"(x)-g"(y)) dydx = f(0) + g(0)-f(2)-9(2) + 2f'(2) + 2g'(0). o Jo (3) Let a > 0. In spherical coordinates, a surface is defined by r = 2acos φ for 0 φ 1. Find the...
- Let V be the vector space of continuous functions defined f : [0,1] → R and a : [0, 1] →R a positive continuous function. Let < f, g >a= Soa(x)f(x)g(x)dx. a) Prove that <, >a defines an inner product in V. b) For f,gE V let < f,g >= So f(x)g(x)dx. Prove that {xn} is a Cauchy sequence in the metric defined by <, >a if and only if it a Cauchy sequence in the metric defined by...
Consider f : [0, 1] x [0, 1] C R2 + R defined by f(x,y) = ſi if y is rational 2x if y is irrational Show that f is not integrable over R by the following steps: in (a) For each n > 1, find a Sn:= Eosi,jan f(a 6? b., in [0, 1] for 0 < i, j < n such that the Riemann sum converges as n + 0.[10 pts] n 1 n2 n i, ja (b)...
2. Consider the function f : R2 → R defined below. r3уг_ if (x,y) (0,0) f(x,y) = if (x, y) (0, 0) (a) Prove that f is continuous at (0,0) (b) Calculate the partial derivatives (0,0) and (0,0) directly from the definition of partial derivatives. (c) Prove that f is not differentiable at (0,0).
S-1. Consider the functions f: RR defined by f(x, y, 2) 2-y2- and g(r,y,) -2 Describe the sets of regular values of f and g, respectively. Which of the sets f-1(0), g(0), and g (1) are regular surfaces? Describe the images of f10), 0)\(0,0,0)), and g(1) under the Gauss-map. S-1. Consider the functions f: RR defined by f(x, y, 2) 2-y2- and g(r,y,) -2 Describe the sets of regular values of f and g, respectively. Which of the sets f-1(0),...
Let the function f be defined by f(x,y)-- уз +4y2-15y + x2-8x . The set A consists of all points (x,y) in the xy-plane that satisfy 0sx s 10, 0sy s10 and x+y 28. Find the global minimum value of f(x,y) over the set A. (Hint: see Let the function f be defined by f(x,y)-- уз +4y2-15y + x2-8x . The set A consists of all points (x,y) in the xy-plane that satisfy 0sx s 10, 0sy s10 and x+y...
Consider the function f:R + R defined by if x is rational f(x) = if x is irrational. Find all c € R at which f is continuous. C
Question 3 Let the function f be defined by f(x,y)--3y3 +4y2-15y +x2-8x. The set A consists of all points (x,y) in the xy-plane that satisfy 0sx S 10, 0sy s10 and x +y28.Find the global minimum value of f(x,y) over the set A. (Hint: see example 8 in lecture 7.) (6 marks) Question 3 Let the function f be defined by f(x,y)--3y3 +4y2-15y +x2-8x. The set A consists of all points (x,y) in the xy-plane that satisfy 0sx S 10,...