8. Problem 8. Let f and g map R into itself where /(x) and g(x) =...
(8) Let E C R" and G C R" be open. Suppose that f E G and g G R', so that h = go f : E → R. Prove that if f is differentiable at a point x E E, and if g is differentiable at f (x) E G, then the partial derivatives Dihj(x) exist, for all and j - ...., and 7m に! (The subscripts hi. g. fk denote the coordinates of the functions h, g....
8. Dynamics in a map Let In+1 = f(xn), where f(x) = -(1+r)x - 72 - 2x3. d) What is the long-term behavior of orbits that start near x* = 0, both for r <0 and r > 0.
(8) Let E c R" and G C Rm be open. Suppose that f E -G and g:GR', so that h -gof:E R'. Prove that if f is differentiable at a point x E E and if g is differentiable at f(x) є G, then the partial derivatives Dh,(x) exist, for all , SO , . . . , n, and and J-: に1 The subscripts hi, 9i, k denote the coordinates of the functions h, g, f relative to...
Let f and g be differentiable on R such that f(1) = g(1), and f'(x) < '() for all r ER. Prove that f(x) = g(2) for 3 >1.
Problem 2 (5 points) Let f be a continuous function over R, and let g(x) represent a differentiable function such that 8(2)=- Given that the relationship dt = 29(x)-7 is true for all x, find the following. a) Value of g(1); (2 pts) b) Value of (2). (3 pts)
Let f: R"R be the function TL Σ Ι.rlp. f(z) where 1 < p. Show that the conjugate is where 1/p+1/g-1 Let f: R"R be the function TL Σ Ι.rlp. f(z) where 1
*14. Let A be an n x n matrix. Define f:R" R by f(x) = Ax.x = x'AX. (a) Show that f is differentiable and Df (a)h = Aah + Ah a. (b) Deduce that when A is symmetric, Df(a)h = 2Aa . h. 15. Let a € R", 8 >0, and suppose f: B(a, 8) - R is differentiable at a. Suppose f(a) f(x)
Let f: R -R and g : R → Rbe some functions, and let x be a vector in R . Suppose that all the components off and g are directionally differentiable at x, and that g is such that, for all w RM, y +az) - g(y) y, w Then the composite function F(x)-g(f(x)) is directionally differentiable at x and the following chain rule holds: F, (x,d)=g'(f(x);f,(x,d)), YdER". Let f: R -R and g : R → Rbe some...
Problem 6. Let g.(r) c- for in an interval L. Find L and c so that logistic map Q4(z) = 42(1-1) is linearly conjugate with ge Vía a lone omorphism h : [0.1] → L. Find the linear function h Problem 6. Let g.(r) c- for in an interval L. Find L and c so that logistic map Q4(z) = 42(1-1) is linearly conjugate with ge Vía a lone omorphism h : [0.1] → L. Find the linear function h
3. Let f: RP-R (a) If f(x)-Ax + b, x E R A є Mq.p and b є R9, show that f is p. where differentiable everywhere and calculate its total derivative (b) If f is differentiable everywhere and Df (x)A, for some A E Mp and all q.p x E Rp, show that there exists b E R, such that f(x) = Ax + b for all x E Rp 3. Let f: RP-R (a) If f(x)-Ax + b,...