Thomas' Calculus and Linear Algebra and Its Applications Package for the Georgia Institute of Technology, 1/e
5th Edition
ISBN: 9781323132098
Author: Thomas, Lay
Publisher: PEARSON C
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Textbook Question
Chapter 8.3, Problem 17E
In Exercises 17-20, prove the given statement about subsets A and B of ℝn. A proof for an exercise may use results of earlier exercises.
17. If A ⊂ B and B is convex, then conv A ⊂ B.
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Chapter 8 Solutions
Thomas' Calculus and Linear Algebra and Its Applications Package for the Georgia Institute of Technology, 1/e
Ch. 8.1 - Plot the points v1=[10],v2=[12], v3=[31], and...Ch. 8.1 - In Exercises 14, write y as an affine combination...Ch. 8.1 - In Exercises 14, write y as an affine combination...Ch. 8.1 - In Exercises 14, write y as an affine combination...Ch. 8.1 - In Exercises 14, write y as an affine combination...Ch. 8.1 - Prob. 5ECh. 8.1 - Prob. 6ECh. 8.1 - Prob. 7ECh. 8.1 - Prob. 8ECh. 8.1 - Prob. 9E
Ch. 8.1 - Suppose that the solutions of an equation Ax = b...Ch. 8.1 - Prob. 11ECh. 8.1 - a. If S = {x}, then aff S is the empty set. b. A...Ch. 8.1 - Prob. 13ECh. 8.1 - Prob. 14ECh. 8.1 - Prob. 15ECh. 8.1 - Prob. 16ECh. 8.1 - Choose a set S of three points such that aff S is...Ch. 8.1 - Prob. 18ECh. 8.1 - Prob. 19ECh. 8.1 - Prob. 20ECh. 8.1 - Prob. 21ECh. 8.1 - Prob. 22ECh. 8.1 - Prob. 23ECh. 8.1 - Prob. 24ECh. 8.1 - Prob. 25ECh. 8.1 - Prob. 26ECh. 8.2 - Describe a fast way to determine when three points...Ch. 8.2 - Prob. 2PPCh. 8.2 - Prob. 1ECh. 8.2 - Prob. 2ECh. 8.2 - Prob. 3ECh. 8.2 - Prob. 4ECh. 8.2 - Prob. 5ECh. 8.2 - Prob. 6ECh. 8.2 - Prob. 7ECh. 8.2 - Prob. 8ECh. 8.2 - In Exercises 9 and 10, mark each statement True or...Ch. 8.2 - a. If{v1,....,vp} is an affinely dependent set in...Ch. 8.2 - Prob. 11ECh. 8.2 - Prob. 12ECh. 8.2 - Prob. 13ECh. 8.2 - The conditions for affine dependence are stronger...Ch. 8.2 - Prob. 15ECh. 8.2 - Prob. 16ECh. 8.2 - Prob. 17ECh. 8.2 - Let T be a tetrahedron in standard position, with...Ch. 8.2 - Prob. 19ECh. 8.2 - Prob. 20ECh. 8.2 - In Exercises 21-24, a, b, and c are noncollinear...Ch. 8.2 - Prob. 22ECh. 8.2 - Prob. 23ECh. 8.2 - Prob. 24ECh. 8.2 - Prob. 25ECh. 8.2 - Prob. 26ECh. 8.3 - Prob. 1PPCh. 8.3 - Let S be the set of points on the curve y = 1/x...Ch. 8.3 - Prob. 1ECh. 8.3 - Describe the convex hull of the set S of points...Ch. 8.3 - Prob. 3ECh. 8.3 - Prob. 4ECh. 8.3 - Prob. 5ECh. 8.3 - Prob. 6ECh. 8.3 - Prob. 7ECh. 8.3 - Prob. 8ECh. 8.3 - Prob. 9ECh. 8.3 - Repeat Exercise 9 for the points q1, , q5 whose...Ch. 8.3 - Prob. 11ECh. 8.3 - In Exercises 11 and 12, mark each statement True...Ch. 8.3 - Prob. 13ECh. 8.3 - Prob. 14ECh. 8.3 - Let v1 = [10], v2 = [12], v3 = [42], v4 = [40],...Ch. 8.3 - Prob. 16ECh. 8.3 - In Exercises 17-20, prove the given statement...Ch. 8.3 - In Exercises 17-20, prove the given statement...Ch. 8.3 - Prob. 19ECh. 8.3 - Prob. 20ECh. 8.3 - Prob. 21ECh. 8.3 - Prob. 22ECh. 8.3 - Prob. 23ECh. 8.3 - Prob. 24ECh. 8.4 - Prob. 1PPCh. 8.4 - Let L be the line in 2 through the points [14] and...Ch. 8.4 - Prob. 2ECh. 8.4 - Prob. 3ECh. 8.4 - In Exercises 3 and 4, determine whether each set...Ch. 8.4 - Prob. 5ECh. 8.4 - Prob. 6ECh. 8.4 - Prob. 7ECh. 8.4 - Prob. 8ECh. 8.4 - Prob. 9ECh. 8.4 - In Exercises 7-10, let H be the hyperplane through...Ch. 8.4 - Prob. 11ECh. 8.4 - Let a1=[215], a2=[313], a3=[160], b1=[051],...Ch. 8.4 - Prob. 13ECh. 8.4 - Let F1 and F2 be 4-dimensional flats in 6, and...Ch. 8.4 - In Exercises 15-20, write a formula for a linear...Ch. 8.4 - Prob. 16ECh. 8.4 - Prob. 17ECh. 8.4 - In Exercises 15-20, write a formula for a linear...Ch. 8.4 - Prob. 19ECh. 8.4 - Prob. 20ECh. 8.4 - Prob. 21ECh. 8.4 - Prob. 22ECh. 8.4 - Prob. 23ECh. 8.4 - Prob. 24ECh. 8.4 - Let p=[41], Find a hyperplane [f : d] that...Ch. 8.4 - Let q=[23] and p=[61]. Find a hyperplane [f : d]...Ch. 8.4 - Prob. 27ECh. 8.4 - Prob. 28ECh. 8.4 - Prob. 29ECh. 8.4 - Prove that the convex hull of a bounded set is...Ch. 8.5 - Find the minimal representation of the polytope P...Ch. 8.5 - Given points p1 = [10], p2 = [23], and p3 = [12]...Ch. 8.5 - Given points p1 = [01], p2 = [21], and p3 = [12]...Ch. 8.5 - Repeat Exercise 1 where m is the minimum value of...Ch. 8.5 - Repeat Exercise 2 where m is the minimum value of...Ch. 8.5 - In Exercises 5-8, find the minimal representation...Ch. 8.5 - In Exercises 5-8, find the minimal representation...Ch. 8.5 - In Exercises 5-8, find the minimal representation...Ch. 8.5 - In Exercises 5-8, find the minimal representation...Ch. 8.5 - Let S = {(x, y) : x2 + (y 1)2 1} {(3, 0)}. Is...Ch. 8.5 - Find an example of a closed convex set S in 2 such...Ch. 8.5 - Find an example of a bounded convex set S in 2...Ch. 8.5 - a. Determine the number of k-faces of the...Ch. 8.5 - a. Determine the number of k-faces of the...Ch. 8.5 - Suppose v1, , vk are linearly independent vectors...Ch. 8.5 - A k-pyramid Pk is the convex hull of a (k ...Ch. 8.5 - Prob. 16ECh. 8.5 - In Exercises 16 and 17, mark each statement True...Ch. 8.5 - Let v be an element of the convex set S. Prove...Ch. 8.5 - If c and S is a set, define cS = {cx : x S}....Ch. 8.5 - Find an example to show that the convexity of S is...Ch. 8.5 - Prob. 21ECh. 8.5 - Prob. 22ECh. 8.6 - A spline usually refers to a curve that passes...Ch. 8.6 - Prob. 2PPCh. 8.6 - Prob. 1ECh. 8.6 - Prob. 2ECh. 8.6 - Prob. 3ECh. 8.6 - Prob. 4ECh. 8.6 - Prob. 5ECh. 8.6 - Prob. 6ECh. 8.6 - Let x(t) and y(t) be Bzier curves from Exercise 5,...Ch. 8.6 - Prob. 8ECh. 8.6 - Prob. 9ECh. 8.6 - Prob. 10ECh. 8.6 - In Exercises 11 and 12, mark each statement True...Ch. 8.6 - In Exercises 11 and 12, mark each statement True...Ch. 8.6 - Prob. 13ECh. 8.6 - Prob. 14ECh. 8.6 - Prob. 15ECh. 8.6 - Explain why a cubic Bzier curve is completely...Ch. 8.6 - TrueType fonts, created by Apple Computer and...Ch. 8.6 - Prob. 18E
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- In Exercises 1435, prove each statement. AB if and only if AB=A.arrow_forwardTo prove a theorem of the form "If P, then Q" by the indirect method, the first line of the proof should read: Suppose that ___________ is true.arrow_forward11. (See Exercise 10.) According to Definition 5.29, is defined in by if and only if . Show that if and only if . 10. An ordered field is an ordered integral domain that is also a field. In the quotient field of an ordered integral domain define by . Prove that is a set of positive elements for and hence, that is an ordered field. Definition 5.29 Greater than Let be an ordered integral domain with as the set of positive elements. The relation greater than, denoted by is defined on elements and of by if and only if . The symbol is read “greater than.” Similarly, is read “less than.” We define if and only if. As direct consequences of the definition, we have if and only if and if and only if . The three properties of in definition 5.28 translate at once into the following properties of in . If and then . If and then . For each one and only one of the following statements is true: . The other basic properties of are stated in the next theorem. We prove the first two and leave the proofs of the others as exercises.arrow_forward
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