Question: Problem 20 Let x = and e = . Also, Q a) Show that b) Show that Q Qx x QQQ and I -

Problem 20 Let x = and e = . Also, Q a)

Problem 20 Let x = and e = . Also, Q a) Show that b) Show that Q Qx x QQQ and I - e(e e)- e , where I is an nxn identity matrix. , where = = x'Qx. (Hint: observe (e eyi=l/n and

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Economics Questions!

Problem #12 (20 points): A beam is held in equilibrium by a pin at A and a cable BDE that wraps over a frictionless pulley at D, which has a radius of 0.1 m. The beam supports a vertical force of P =...

Problem 20 Let x = and e = . Also, Q a) Show that b) Show that Q Qx x QQQ and I - e(e e)- e , where I is an nxn identity matrix. , where = = x'Qx. (Hint: observe (e eyi=l/n and

Assume that (x) K[x] has distinct roots u 1 ,u 2 , ... , U n in the splitting field F and let G = Aut K F n be the Galois group of . Let Y 1 , . .. , Y n be indeterminates and define: (a) Show that...

Problem 1 Let X ~ [(a, B) for a > 0, 8 > 0. Recall X has support on [0, co) and pdf given by 70-1 -x/B f(I) = Ber(a) where T(a) = (a) Show [(a + 1) = of (a). (Hint: integration by parts) (b) Compute...

CO 250 Assignment 8 - Winter 2015 Due: Friday, March 20th 2015, by 4pm (sharp) Note: Submit your completed assignment to the following dropboxes outside MC 4066: Section 1 [L. Sanit`] a TTh...

Kindly answer the questions. Many thanks Reading: Work through Pitman 4.1 and 4.2, particularly attending to the diagrams on pp. 262-263 illustrating probabilities as areas under a curve for discrete...

Problem 3. Let X" = (X1,..., X) be iid samples from Po, where is a fixed, unknown, scalar-valued parameter. Suppose a Bayesian approach is taken, which quantifies uncertainty about the unknown e with...

2u 712 I 22 7. (a) Let X 2(0),Y E M(C) be given. Suppose that for all a. 8 C 221 not both zero, rank (aX+BY) = 2. Show that y33 = 0. Give a 3 x 3 example that need not be of the form YO! where EM...

Problem 11. Represent cach of these relations on (1.2,3,4) with a matrix and a digraph. (b) R2={(1,2), (1,3), (1,4), (2,3), (2,4), (3,4)) Problemi 12. Let R be the relation on Z#x Z+ such that ((a,...

SOLVE BOLDED QUESTION 2a,b,c & 3a,b PLEASE QUESTION 2 2. Parametric vs Cartesian description. (a) Let (x, y) E P. This means a = cos(t) and y = sin(2t), so: LHS = 4x + y' = 4(cos(t))" + (sin(2t))? =...

Suppose that there are two goods: X and Y . Production function of good i is given by: Fi(K,L) = min{K,iL} for some parameter i. Let X = 1 and Y = 4. (a) Show that capital intensity K/L is equal to...

Entropy involves how the energy is distributed throughout the system. True or false, justify.

What is the purpose of Form 940? How often is it filed?

Question 7 5 1 pts When accounting for bonds, the Bonds Payable account is always debited or credited for what amount? par value parvatue - discount par value premium the eash smount pecelyed

A 7-sided die with faces labeled 1 to 7 will be rolled once. The 7 possible outcomes are listed below. Note that each outcome has the same probability. Complete parts (a) through (c). Write the...

1/2 and A'- [k/2 0 11. If A- then k++m - P13 1/3 m/4 1/4 (A) 1 (B) 9 (C) 14 (D) 29 If A is a square matrix of order 3, and A + A+21 =0, then (B) |A +|-0 (D) |A||A+1=2 12. (A) A can not be a...

Matthew (48 at year-end) develops cutting-edge technology for SV Inc., located in Silicon Valley. In 2019, Matthew participates in SV's money purchase pension plan (a defined contribution plan) and...

Which event would you consider the most impactful? a. An impending recession b. Theft of petty cash c. Loss of backup files d. Board of Directors are indicted for fraud

Write a program to wish happy birthday to a student. Firstly, take today month and day as an input and secondly take birthday as an input in the form of month and day. If the input day and month...

Make eye contact when talking and listening

Do not go, wait until I come

Pay him, do not wait until I sign