# can an inner product space v have a t invariant subspace U but also have an orthogonal complement that is NOT t-invariant???

12,215 results
1. ## History

Explain the different functions of the aerospace centers in Houston and Cape Canaveral. I think this is the answer, can somebody please double check it. ***In Houston, Texas, the Lyndon B. Johnson Space Center is a place where visitors can see the history

2. ## Algebra

The chart below shows the average number of movies seen per person in selected countries. A chart is shown with 2 columns.The first column is titled Country. The second column is titled Average number of movies a person sees in a year. Row 1: Turkey space

3. ## linear

Let W be the subspace of R5 spanned by the vectors w1, w2, w3, w4, w5, where w1 = 2 −1 1 2 0 , w2 = 1 2 0 1 −2 , w3 = 4 3 1 4 −4 , w4 = 3 1 2 −1 1 , w5 = 2 −1 2 −2 3 . Find a basis for W ⊥.

4. ## maths

the sum of N positive integers is 19. what is the maximum possible product of these N numbers? thx. Nice problem. Let's look at some cases 1. N=2 clearly our only logical choices are 9,10 for a product of 90 It should be obvious that the numbers should be

5. ## linear algebra

what is the basis of a subspace or R3 defined by the equation 2x1+3x2+x3=0 I know the basis is vectors and but how do you get that?

6. ## calculus

In the space below, provide the smaller of the two positive integers that add to 40 and have the largest possible product

7. ## Geometry

Mr. Thompson has been asked to add storage space to a garage. He estimates 6 square feet per individual will be required to meet the needs of 12 people. If the storage space is 15% of the total amount of space required, how much total space does Mr.

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2

9. ## math

I AM VERY BAD AT MATH , CAN SOMEONE PLEASE HELP ME !? PLEASE PLEASE The chart below shows the average number of movies seen per person in selected countries. A chart is shown with 2 columns.The first column is titled Country. The second column is titled

10. ## Math

For the given graph of y=f(x), sketch the graph y=1/f(x). clearly show the asymptote(s) with a dotted line and write the coordinates of the invariant points

11. ## AP Calculus

In the answer space below, provide the larger of the two positive integers that add up to 60 and have the largest possible product.

12. ## Calculus

If the space below, provide the smaller of the two positive integers that add 30 and have the largest possible product. Numerical Answers Expected!

13. ## algebra

1.If a number a is always less than another number b, which of the following expressions expresses their relationship? A.a≤b B.a≥b C.a>b D.a0 D.x9 Which of the following sentences is the word equivalent of the expression above? A.The product between 3

14. ## maths

James is able to sell 15 of product A and 16 of product B and a week , Sally is able to sell 25 of product A and of 10 product B a week,and Andre is able to sell 18 of product A and 13 of product B a week.if product A sells for \$35.75 each and product B

15. ## ALGEBRA

which of the following are reasonable answer for the product of two negatives and a positive a. 20** b. 10 c. -20 d. -10 Which statement about the product is true 5.5⋅√5 a. The product is rational b. The product is irrational**** c. The product is

16. ## Linear Algebra - Vector Spaces and Vector Subspace

Can I have help with the following question related to the concept vector 'subspaces'? Question : Let X and Y be vector subspaces of a vector space V over a field F, (V,+,•,F). Prove that the intersection of X and Y is also a vector subspace of V. (1)So

17. ## math

Find an orthonormal basis for the subspace of R^3 consisting of all vectors(a, b, c) such that a+b+c = 0. The subspace is two-dimensional, so you can solve the problem by finding one vector that satisfies the equation and then by constructing another

18. ## Pre-Calculus (absolute values)

I want to find the invariant points( points that are fixed) algrebraically of x^2 - 25 and its reciprocal. Would I set up my equation like this? 0 = x^2 -25 or 0 = 1/ x^2 - 25 Thanks

19. ## Calculus

In the space below, provide the larger of the positive integers that add to 10 and have the largest possible product

20. ## Macroecon

An increase in supply of a product results when __________. : taxes on the product are increased the companies that produce the product have higher materials costs technological innovations are introduced in the manufacturing process the government reduces

21. ## linear algebra

Show that a subset W of a vector space V is a subspace of V if and only if the following condition holds: If u and v are any vectors in W and a and b are any scalars, then au + bv is in W.

22. ## Machine Learning

In machine-learning problem space can be represented through concept space, instance space version space and hypothesis space. These problem spaces used the conjunctive space and is very restrictive one and also in the above-mentioned representations of

23. ## Math

Sketch the graph of f(x)=x^2-4 and y=1/f(x) on the grid provided. label the asymptotes, the invariant points and the intercepts of y=1/f(x)

24. ## physics

The magnitude of the scalar product of vectors A and B is three times as large as the magnitude of the vector product of the same two vectors. If they were placed tail-to-tail in space, A and B would form an angle of approximately how much?

A 130 kg astronaut (including space suit) acquires a speed of 2.80 m/s by pushing off with his legs from an 2000 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the

26. ## Physics

A 120 kg astronaut (including space suit) acquires a speed of 3.00 m/s by pushing off with his legs from an 1900 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the

27. ## Entrepreneurship

1. If a product becomes more easily available, what is likely to happen? A) The product will get more competitors. B) The cost of making the product will increase. C) The product will become a consumer good. D) The price will go down. Is the answer D? I'm

28. ## statistics

2. Suppose that the average product of labor increases as more workers are hired. Which of the following must be true? a. Marginal product is greater than average product. b. Marginal product is increasing. c. Marginal product is decreasing. d. Marginal

29. ## Macroeconomic

Suppose that a market for a product is in equilibrium at a price of \$5 per unit. At any price above \$5 per unit. A. There will be an excess demand for the product. B. There will be an excess supply of the product. C. The quantity supplied of the product

30. ## Linear Programming

We produce two products: product 1 and product 2 on two machines (machine 1 and machine 2). The number of hours of machine time and labor depends on the machine and the product as shown in Table 64. The cost of producing a unit of each product is shown in

31. ## Physics

Futurists project large space stations which would rotate so as to use centripetal acceleration to simulate gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor

32. ## math

Find the two numbers that multiply to the product number and add to the sum number of the following: a)Product 563033256; Sum 51895 b)Product -43481220; Sum 28429 c)Product 2545124358; Sum -105619 I tried xy = product and x+y = sum, but it didn't work

33. ## MATH

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. a) Find the product. ( − 1 . 15 ) ⋅ 3 . 2 b) Explain in words how you determined the sign of your answer.

34. ## math

can an inner product space v have a t invariant subspace U but also have an orthogonal complement that is NOT t-invariant???

35. ## math

Prove that if A is a symmetric n x n matrix, then A has a set of n orthonormal eigenvectors. http://ltcconline.net/greenl/courses/203/MatrixOnVectors/symmetricMatrices.htm I've read the entire page and while it's on the correct topic, it doesn't prove what

36. ## Math Elementary Linear Algebra

determine whether or not the given set forms a basis for the indicated subspace: #1 {1,1,0), (1,1,1)} for the subspace of R^3 of all (x,y,z) such that y= x+z #2 {[1,2,-1,3), (0,0,0,0)} for the subspace of R^4 of all vectors of the form (a,b, a-b,a+b) and

37. ## Algebra

How would you prove this theorem: The column space of an m x n matrix A is a subspace of R^m by using this definition: A subspace of a vector space V is a subset H of V that has three properties: a) the zero vector of V is in H. b) H is closed under vector

38. ## math

There is one step in a proof that I don't understand. Could someone please explain? u = any vector in vector space S W = finite dimensional subspace of S with orthonormal basis of vectors {v1, v2, ..., vn} The theorem to prove is: u can be expressed

39. ## Linear Algebra

1/ Prove that the set V=R+ ( the set of all positive real numbers) is a vector space with the following nonstandard operations: for any x,y belong to R+ & for any scalar c belong to R: x O+ ( +signal into circle) y=x.y (definition of vector addition) & c O

40. ## Math

Let V and W be vector spaces and assume that T be a linear mapping from V to W. (a) Show that ker(T) is a subspace of V . (b) Show that range(T) is a subspace of W.

41. ## Linear Algebra

V = Mnxn is a space vector formed by all the square matrices. Is W = {A in Mnxn : A^x = A} a subspace of V? Thanks

42. ## Math

Went ahead and did the HW the teach recommended but she did not post the answers and I would like to see if im on the right track. Problem 1: Are the vectors (2,−1,−3), (3, 0,−2), (1, 1,−4) linearly independent? Problem 2 : Is the set {x E R^4 :

43. ## Math

1. P5 is an innerproduct space with an inner product. We applied the Gram Schmidt process tot he basis {1,x,x^2,x^3,x^4} and obtained the following as the result {f1,f2,f3,f4,x^4+2}. a. What is the orthogonal complement of P3 in P5 with erspect to this

44. ## math question

how is this not a subspace of R3? The set of all vectors of the form a b c , where a > 0.

45. ## Linear Algebra

determine whether x=[2,3,4]+t1[1,1,1]+t2[1,2,3] is a subspace of R3 I honestly don't even know where to start. Please, help

46. ## Math

Dylan plants grass in a rectangle space behind the clump house.nthe area of the space was 70 ft. If the length of the space is 14 ft. What's the width of the space

47. ## Calculas

W= [ a , a+b ] (2x2 matrix) a-b , b a, b are element of R Show that W is a Subspace of M22?

48. ## Linear Algebra

W= [ a , a+b ] (2x2 matrix) [a-b , b ] a, b are element of R Show that W is a Subspace of M22?

Assign each letter and a blank space to a number as shown by the alphabet table. 0=_ 1=A 2=B 3=C 4=D 5=E 6=F 7=G 8=H 9=I 10=J 11=K 12=L 13=M 14=N 15=O 16=P 17=Q 18=R 19=S 20=T 21=U 22=V 23=W 24=X 25=Y 26=Z use matrix [1 -2] -3 7 and encode the phrase "One

50. ## Science

Show that FαβFαβ is Lorentz invariant, where the symbols carry their usual meaning. In second Fαβ are in prefix..

51. ## Designing Specialty Areas

You're designing a space for families. Which of the following would be an important step in developing the space? A. Form a group of current teachers and teaching assistants to design the area. B. Hire a consultant to design the space. C. Have the director

52. ## Science

When creating an urban green space, which of the following needs to be determined in order for the space to provide the most benefit to the most people? A.the number of amenities near the space B.the proximity of the space to the city's population C.the

53. ## Finance

Select the right statement(s). A coherent measure of risk is: Sub-additive Possibly Homogeneous Translation Invariant Concave Monotone

54. ## Science

When creating an urban green space, which of the following needs to be determined in order for the space to provide the most benefit to the most people? A.the number of amenities near the space B.the proximity of the space to the city's population C.the

55. ## Science

Karen is studying types of spacecraft. Which of these spacecraft can people use to travel to and from orbits close to Earth? A)space probe B)space shuttle C)space station D)space telescope I think the answer is C.

56. ## Math

If we multiply "a" and "b",when will: a. the product be larger than both "a" and "b"? b. the Product be less than "a"? c. the product be less than "b"? d. the product be less than"a" and "b"? e. the product be greater than "a"? f. the product be greater

57. ## algebra

Is this set a subspace of R3 or not? Explain why or why not. Span{[1 2 1],[-1 1 3]} I've tried to do a three variable three unknown equation to solve for the scalars for each of the vectors but when doing it got very wrong numbers.

58. ## math

Find the least squares approximation of x over the interval [0,1] by a polynomial of the form a + b*e^x --------------------------------------------------------- The polynomial produces an output space with two linearly independent basis vectors: u1 = 1,

59. ## Linear Algebra

Vector in Space-Directions and Magnitudes Let a, b, c, d, e, & f be vectors such that =6, =6, =-4, =7, b+c=d, -8a+8b=e, -4b+2c+f compute the following inner product: =__ =__ =__ =__

60. ## biochemistry

Why do you think the proximal and distal histidines are invariant between myoglobin, the alpha subunit and the beta subunit?

61. ## math

Space the length of one day on venus is 35 earthdays write a product and an exponent .

62. ## Managerial Accounting

The overhead rate for materials handling is \$10 per part based on an estimated total cost of \$900. Products X & Y have 320 and 280 parts respectively. What is the overhead allocated to X & Y? A. Product X \$3,200, Product Y \$4,400 B. Product X \$4,800,

63. ## linear algebra

Prove that the trace is a similarity invariant. In other words, if two matrices are similar, then they must have the same trace. Got the answer from Wikipedia: tr(AB) = tr(BA) tr(ABC) = tr(CAB) tr(P^-1 * A * P) = tr(P^-1 * P * A) = tr(A)

64. ## Physics

A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the

65. ## Physics

A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the

66. ## retail pharmacy assistant

when a customer askes for a product by name the pharmacy assistant must ? a.ask the customer what the product is for b.supply the product without any questions c.ask the pharmacist if the product is safe d.suggest in conversation the possible uses of the

67. ## physics

Two Astronauts A and B are working in the space shuttle in the space.Suddenly the hammer falls from the hands of astranaut in space. who will hear most sound,Astranonaut A or B .and why?

68. ## Geometry

How do you prove that the sum of distances to a point from the interior of an equilateral triangle is equal to the height of a triangle, therefore it is invariant and that a parrallelogram's angular bisectors from a rectangle.

An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space

An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space

71. ## science

Objects take up space and move through space different ways. Scientists use these differences to make models. For example, how a rubber band stretches helps you "see" the force acting on it. How could you use space relationships to model Earth and its

72. ## Math

Andie is designing a rectangular play space for her dogs. The length of the play space is 7ft. and the width is 6ft. The new space will have a length and width twice the dimensions of the current space. She needs to purchase sod to cover the ground inside

73. ## MATH

HELP HELP The sum of the product of 16 and x and the product of 11 and y is 218. The difference of the product of 5 and x and the product of 11 and y is -134. What are the values of x and y? PLS

74. ## Linear Algebra, orthogonal

The vector v lies in the subspace of R^3 and is spanned by the set B = {u1, u2}. Making use of the fact that the set B is orthogonal, express v in terms of B where, v = 1 -2 -13 B = 1 1 2 , 1 3 -1 v is a matrix and B is a set of 2 matrices

75. ## physics

A 500kg spacecraft was traveling through space at a constant velocity when it fires its rocket engine. The engines produce a 1000N of thrust. The space craft was traveling at 400 m/s after 100 seconds. (A)What is the rate of acceleration for the space

76. ## College Prep

Scenerio: Two days ago your manager phoned and said he would like to plan a field contact in order to evaluate your promotional deals and marketing skills. He will meet you at Kroger's, your top account, at 2:00 p.m. You immediatly got antsy because you

77. ## economics

Assume that demand for product A can be expressed as QA = 500 ¨C 5PA + 3PB and demand for product B can be expressed as QB = 300 ¨C 2PB + PA. Currently, market prices and quantities for these goods are PA, = 5, PB = 2, QA = 481, and QB = 301. a. Suppose

78. ## Math

Which statement about the product is true 5.643 x 4.6666666.....(Repeating) A. The product is irrational B. The product is neither rational nor irrational C. The nature of the product cannot be determined D. The product is rational***

79. ## math

I have a diagram of an occupied building space within a larger building represented by 49 equal squares but no linear measures for the sides. The space is 120,000 sq ft. how can i estimate the lengths and widths of the floor space with just this

80. ## Math: Intro to Proofs

Given: Let f: X -> Y be a function. Then we have an associated function f^(-1): P(Y) -> P(X), where f^(-1) (B)⊂X is the inverse image of B⊂Y. Question: Show that f^(-1) is one-to-one if and only if f is onto. [Notes: ⊂ represents subspace, I just

Given: Let f: X -> Y be a function. Then we have an associated function f^(-1): P(Y) -> P(X), where f^(-1) (B)⊂X is the inverse image of B⊂Y. Question: Show that f^(-1) is one-to-one if and only if f is onto. [Notes: ⊂ represents subspace, I just

82. ## biology

please help me unscrample the following words: (the space means thate the anagram has two words in it, but the space is not necessarily at the space) rmns teizysecntiore nt roetssieitrsic id ksdxlne so derrecisgntdie Thank you very much for your time!

joe wants to spend 70. dollars at most and has 60 cu inches of space left in his soldier's care package. candy costs \$7 and takes up 3 cu inch of space phone cards cost \$5. and take up 15 cu in. of space. Is this correct? if not please change it or tell me

84. ## Accounting

Cambridge Manufacturing Company, Inc. has 200 labor-hours available. There is no limit on machine hours. Cambridge can sell all of Product B that it wants, but it can only sell 30 units and 20 units of Products A and C, respectively. Product-A Product-B

85. ## mastering quantum mechanics

PART B (10 points possible) Consider the operator S on an n-dimensional complex vector space so that S(z1,z2,…,zn)=(0,z1,z2,…zn−1). Assume the inner product is the standard one: ⟨(x1,…,xn),(y1,…,yn)⟩=x∗1y1+…+x∗nyn. Calculate

86. ## ryan

You propose to build a space ship that allows the entire population of the United States (280 million) to leave earth. Your plans allocate an average space of 1,000(=10*10*10) cubic feet to each person. You space ship is going to have the shape of a

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2

89. ## MATH

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2

I have just came across the words product-led and market-led and have no idea what they mean, could someone please give me a detailed explanation thanks Thank you for using the Jiskha Homework Help Forum. Look at "market-led" as "what the customer wants."

91. ## Product curves

If the short run total product curve is a linear function of the variable input over some range of values. Describe the shape of the marginal product and average product functions. I am guessing that the marginal product is constant, which a horizonal

92. ## math

A rental agent is renting a space for \$7.50 a square foot. If you require a space 36 ft. by 16 ft., what will be the rental on that space?

93. ## Microsoft Word

Is is possible to do this? It a requirement by my teacher but I just can't seem to do it. " singled space text within questions and double space between your questions".- If I single space the text within the questions, won't that make it single space

94. ## math

Hi There- I really need help with this. I'm kind of confused and don't have an answer. if you could explain it ill give you my answer once I understand it. how does the product of a fraction and a whole number compare to the whole number? A. the product is

95. ## Physics

A 170 kg astronaut (including space suit) acquires a speed of 2.75 m/s by pushing off with his legs from a 2400 kg space capsule. What is the average change in speed in meters/second of the space capsule?

96. ## Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. a) Find the product. (-1.15)·3.2 b) Explain in words HOW you determined the sign of your answer.

97. ## Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. a) Find the product. ( − 1 . 15 ) ⋅ 3 . 2 b) Explain in words how you determined the sign of your answer.

98. ## Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. a) Find the product. (-1.15)x3.2 b) Explain in words how you determined the sign of your answer

99. ## science

CAN ONE IN THEORY OR ACTUAL DEPRIVE A PARTICULAR AREA OF SPACE; 1sq mile of space of oxygen while the surrounding area of space has normal levels of oxygen?.... This question is not limited by the use of other chemicals or machinations to achieve GOAL....

100. ## History

NASA, space shuttles, and the International Space Station are (a)all related to Cold War spy technology (b) joint scientific study and space exploration efforts (c) United States efforts to build anti missile defenses (d) belief in extraterrestrial life