Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Chapter 40, Problem 147A
To determine
The value of given expression.
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Problem 11 (Gram-Schmidt). Try the Gram-Schmidt procedure for the vectors,
1
0
2
with respect to the standard dot product on R4. What happens? Can you explain why you are unable to
complete the algorithm?
Problem 12 (Orthogonal Matrices Preserve Orthogonality). Suppose x, y = Rn" are orthogonal to each other
with respect to some inner product (.,.) and that A is an orthogonal matrix and B is some invertible matrix.
1. Prove that Ax and Ay are also orthogonal to each other and that ||x|| = ||Ax|| and ||y|| : = ||Ay||.
2. Is it true that Bx and By are also orthogonal to each other and that ||x|| = ||Bx|| and ||y|| = = ||By||?
Provide a proof or a counter-example.
Problem 13 (Orthogonal Complement). Let W be the subspace of R5 spanned by,
1
2
2
4
u =
3
, v=
7
2
2
Find a basis of the orthogonal complement W- of W. Verify in this particular example that WW₁ = {0}
and that dim(W) + dim(W¹) = 5.
Problem 5 (Rank-Nullity Theorem). Let T : P3 → M2×2 be defined as,
T(p(x))
P(0) p'(1)]
=
1. Prove that T is a linear transformation.
2. Find ker(T). Is T injective?
3. Find im(T). Is T surjective?
4. Verify the Rank-Nullity Theorem for T.
Problem 6 (Change of Basis). Let B₁ =
polynomials in P3.
-
-
{1, x, x², x³} and B₁ = {1, x, x(x − 1), x(x − 1)(x − 2)} be two sets of
1. Is B2 a basis for P3? Justify your answer.
2. Find SB₁→B₂ and SB2→B₁. Which one is "easier" to find?
-
Problem 7 (Change of Basis). Let B₁ = {eª, sin² (x), cos² (x)} and B₁ = {e*, sin(2x)}. Recall that sin(20) =
2 sin(0) cos(0). Suppose V = span (B₁) and W = span(B2). Let T: VW be a linear transformation defined
as
T(f(x)) = f'(x).
1
1. Prove that B₁ is a basis.
2. Let g(x) = 5 - 3e. Show that g = V and find T(g(x)).
3. Find [TB₁B2
4. Is T injective?
5. Is T surjective?
Problem 14 (Orthogonal Matrices). Prove each of the following.
1. P is orthogonal
PT is orthogonal.
2. If P is orthogonal, then P-1 is orthogonal.
3. If P, Q are orthogonal, then PQ is orthogonal.
Problem 15 (Orthogonal Complement). Consider P2 with the inner product,
(f,g) =
f(x)g(x)dx.
Put W = span(2x+1). Find a basis of W.
(1)
Chapter 40 Solutions
Mathematics for Machine Technology
Ch. 40 - Add (9x2y+xy5xy2),(3x2y4xy+5xy2) and (7x2y+3xy)Ch. 40 - Multiply the signed numbers -16.2, 12.3, and -4.5.Ch. 40 - Use the proper order of operations to simplify...Ch. 40 - Prob. 4ACh. 40 - Prob. 5ACh. 40 - Prob. 6ACh. 40 - Divide the following terms as indicated. 4x22xCh. 40 - Divide the following terms as indicated....Ch. 40 - Prob. 9ACh. 40 - Divide the following terms as indicated. FS2FS2
Ch. 40 - Divide the following terms as indicated. 014mnCh. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated. DM2(1)Ch. 40 - Divide the following terms as indicated. 3.7ababCh. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated....Ch. 40 - Prob. 22ACh. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following terms as indicated. 34FS3(3S)Ch. 40 - Divide the following terms as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Divide the following expressions as indicated....Ch. 40 - Prob. 36ACh. 40 - Divide the following expressions as indicated....Ch. 40 - Prob. 38ACh. 40 - Prob. 39ACh. 40 - Prob. 40ACh. 40 - Raise the following terms to indicated powers....Ch. 40 - Prob. 42ACh. 40 - Prob. 43ACh. 40 - Prob. 44ACh. 40 - Prob. 45ACh. 40 - Prob. 46ACh. 40 - Prob. 47ACh. 40 - Prob. 48ACh. 40 - Prob. 49ACh. 40 - Prob. 50ACh. 40 - Prob. 51ACh. 40 - Prob. 52ACh. 40 - Prob. 53ACh. 40 - Prob. 54ACh. 40 - Prob. 55ACh. 40 - Prob. 56ACh. 40 - Prob. 57ACh. 40 - Prob. 58ACh. 40 - Prob. 59ACh. 40 - Prob. 60ACh. 40 - Prob. 61ACh. 40 - Prob. 62ACh. 40 - Prob. 63ACh. 40 - Prob. 64ACh. 40 - Prob. 65ACh. 40 - Prob. 66ACh. 40 - Prob. 67ACh. 40 - Prob. 68ACh. 40 - Prob. 69ACh. 40 - Prob. 70ACh. 40 - Determine the roots of the following terms. 81x8y6Ch. 40 - Prob. 72ACh. 40 - Prob. 73ACh. 40 - Prob. 74ACh. 40 - Prob. 75ACh. 40 - Prob. 76ACh. 40 - Prob. 77ACh. 40 - Prob. 78ACh. 40 - Prob. 79ACh. 40 - Prob. 80ACh. 40 - Prob. 81ACh. 40 - Prob. 82ACh. 40 - Prob. 83ACh. 40 - Prob. 84ACh. 40 - Prob. 85ACh. 40 - Prob. 86ACh. 40 - Prob. 87ACh. 40 - Prob. 88ACh. 40 - Prob. 89ACh. 40 - Prob. 90ACh. 40 - Prob. 91ACh. 40 - Prob. 92ACh. 40 - Prob. 93ACh. 40 - Prob. 94ACh. 40 - Prob. 95ACh. 40 - Prob. 96ACh. 40 - Prob. 97ACh. 40 - Prob. 98ACh. 40 - Prob. 99ACh. 40 - Prob. 100ACh. 40 - Prob. 101ACh. 40 - Prob. 102ACh. 40 - Prob. 103ACh. 40 - Prob. 104ACh. 40 - Prob. 105ACh. 40 - Prob. 106ACh. 40 - Simplify the following expressions. 64d69d2Ch. 40 - Prob. 108ACh. 40 - Prob. 109ACh. 40 - Prob. 110ACh. 40 - Prob. 111ACh. 40 - Prob. 112ACh. 40 - Prob. 113ACh. 40 - Rewrite the following standard form numbers in...Ch. 40 - Prob. 115ACh. 40 - Rewrite the following standard form numbers in...Ch. 40 - Rewrite the following standard form numbers in...Ch. 40 - Prob. 118ACh. 40 - Prob. 119ACh. 40 - Prob. 120ACh. 40 - Prob. 121ACh. 40 - Prob. 122ACh. 40 - Prob. 123ACh. 40 - Prob. 124ACh. 40 - Prob. 125ACh. 40 - Prob. 126ACh. 40 - Prob. 127ACh. 40 - Prob. 128ACh. 40 - Prob. 129ACh. 40 - Prob. 130ACh. 40 - Prob. 131ACh. 40 - Prob. 132ACh. 40 - Prob. 133ACh. 40 - Prob. 134ACh. 40 - Prob. 135ACh. 40 - Prob. 136ACh. 40 - Prob. 137ACh. 40 - Prob. 138ACh. 40 - Prob. 139ACh. 40 - Prob. 140ACh. 40 - Prob. 141ACh. 40 - Prob. 142ACh. 40 - Prob. 143ACh. 40 - Prob. 144ACh. 40 - Prob. 145ACh. 40 - Prob. 146ACh. 40 - Prob. 147ACh. 40 - Prob. 148ACh. 40 - Prob. 149ACh. 40 - The following problems are given in decimal...Ch. 40 - Prob. 151ACh. 40 - Prob. 152ACh. 40 - Prob. 153ACh. 40 - Prob. 154A
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