N× n×r Rrxp. E Rnxp E ~ X,xp(0. În ⓧΣ). Find the Hotelling's T 2 test statistif for Ho : 3j-0 for...
e. Consider the multiple regression model y X 3+E. with E(e)-0 and var (e) ơ21 Assume that ε ~ N(0 σ21), when we test the hypothesis Ho : βί-0 against Ha : βί 0 we use the t statistic with n-k-1 degrees of freedom. When Ho is not true find the expected value and variance of the test onsider the genera -~ 0 gains 0 1S not true find the expected value and variance of the test statistic. e. Consider...
8.3 Consider the periodic wave equation for t E R and x e T. Suppose the initial conditions are or (0, x) h(x), for g є Cm +1 (T) and h є Cm(T), for m E N. 152 8 Fourier Series (a) Assuming that u(t, x) can be represented as a Fourier series u(t, x)- av(l)ekx, kEZ (8.48) find an expression for ak() in terms of the Fourier coefficients of g and h.
(c) Find a particular solution curve Xp for the linear system cOs t X+ 2 sin t (c) Find a particular solution curve Xp for the linear system cOs t X+ 2 sin t
(1 point) Suppose f (r,y)= P = (1, -2) and v=3i - 3j. A. Find the gradient of 1 Uf = 1 it -x/y^2 Note: Your answers should be expressions of x and y, eg "3x - 4y" j j B. Find the gradient off at the point P. (VA)(P) = 1 i+ -2 Note: Your answers should be numbers C. Find the directional derivative off at P in the direction of v. Duf = 9 Note: Your answer should...
QUESTION 1 Find r' (3) if r(t) = t3i+tj + tk A. 3i + 2+ 1k B. 18 i +6j+1 k C. 9 ii+ 3j+0k D. 27 i +6j+1 k QUESTION 2 Find r' (11/2) if r(t) = 2sin(t) i + 3cos(t)j OA. -2 i + Oj 01 – 3j c.2 i + 3j D. 01 + 1 j QUESTION 3 Evaluate S 3421- 4 të jdt A. 31 - 4j i cu B.31 +4j cli - 1j Da bit...
Question 2 Find T(t) and N(t) at the given point. x= e cost, y = e sint, z=e; t = 0 and the vector k as Enter the vector i as 7, the vector j as , T(0) = Edit N(0) = Edit
5. Let y E C2([0, T]; R), T > 0 satisfy y"(t) = 피t, y(0) = y'(0) = 0 e R. Use Picard-Lindelöf 1+t' to prove that a unique solution to the IVP exists for short time, as follows: (a) Let b E R2, A E M2 (R) . Show that any function g : R2 -R2.9(x) = Ax+b is Lipschitz. 1 mark (b) Transform the DE for y into a(t) Az(t) +b(t) for a suitable z, A, b. 2...
1. Expand the following functions in terms of the orthogonal basis {1, sin 2nr. cos 2n on the interval (0, 1): n E Z, n > 0} 2. Expand the functions in problem i în terms of the basis {sin n z n є z,n > 0} on the interval (0, 1). 1. Expand the following functions in terms of the orthogonal basis {1, sin 2nr. cos 2n on the interval (0, 1): n E Z, n > 0} 2....
1. Consider the following linear model y Xp+ €, where Cor(e)-021 with ơ e R+ being unknown. an estimable function, where C is a full column rank matrix of rank s. Let T'y be the Let C. β BLUE for CB Write down an explicit expression for T. It should be only in terms of C, y and X. a. basic result do you use to justify your answer? V Cov(Ty). hypothesis is H CB o. (Ty- d), where b....
33. [0/2 hoints] DETAILS PREVIOUS ANSWERS SCALCET8 11.8.517.XP. Find the radius of convergence, R, of the series. 00 (4x + 5) n2 n=1 R = 1 Find the interval, I, of convergence of the series. (Enter your answer using interval notation.) I = 34. [2/2 Points] DETAILS PREVIOUS ANSWERS SCALCET8 11.9.501.XP.