Linear Algebra With Applications
Linear Algebra With Applications
5th Edition
ISBN: 9780321796943
Author: BRETSCHER, Otto.
Publisher: Pearson Education
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Chapter 4.3, Problem 65E

Let V be the subspace of ℝ 2 × 2 spanned by the matrices I 2 and Q = [ a b c d ] , where b ≠ 0 .

a. Compute Q 2 and find the coordinate vector Chapter 4.3, Problem 65E, Let V be the subspace of 22 spanned by the matrices I2 and Q=[abcd] , where b0 . a. Compute Q2 and , example 1where Chapter 4.3, Problem 65E, Let V be the subspace of 22 spanned by the matrices I2 and Q=[abcd] , where b0 . a. Compute Q2 and , example 2 = ( I 2 , Q ) .

b. Consider the linear transformation T ( M ) = M Q from V to V. Find the Chapter 4.3, Problem 65E, Let V be the subspace of 22 spanned by the matrices I2 and Q=[abcd] , where b0 . a. Compute Q2 and , example 3matrix B of T. For which matrices Q is T an isomorphism?
c. If T fails to be an isomorphism, find the image and kernel of T. What is the rank of T in that case?

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Chapter 4 Solutions

Linear Algebra With Applications

Ch. 4.1 - GOAL Find a basis of a linear space and thus...Ch. 4.1 - GOAL Find a basis of a linear space and thus...Ch. 4.1 - GOAL Find a basis of a linear space and thus...Ch. 4.1 - GOAL Find a basis of a linear space and thus...Ch. 4.1 - GOAL Find a basis of a linear space and thus...Ch. 4.1 - Which of the subsets V of 33given in Exercises 6...Ch. 4.1 - Which of the subsets V of 33given in Exercises 6...Ch. 4.1 - Which of the subsets V of 33given in Exercises 6...Ch. 4.1 - Which of the subsets V of 33given in Exercises 6...Ch. 4.1 - Which of the subsets V of 33given in Exercises 6...
Ch. 4.1 - Which of the subsets V of 33given in Exercises 6...Ch. 4.1 - Let V be the space of all infinite sequences of...Ch. 4.1 - Let V be the space of all infinite sequences of...Ch. 4.1 - Let V be the space of all infinite sequences of...Ch. 4.1 - Let V be the space of all infinite sequences of...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Prob. 31ECh. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Prob. 33ECh. 4.1 - Find a basis for each of the spaces V in Exercises...Ch. 4.1 - Prob. 35ECh. 4.1 - Prob. 36ECh. 4.1 - Prob. 37ECh. 4.1 - Prob. 38ECh. 4.1 - Prob. 39ECh. 4.1 - If c is any vector in n , what are the possible...Ch. 4.1 - Prob. 41ECh. 4.1 - Prob. 42ECh. 4.1 - Prob. 43ECh. 4.1 - Prob. 44ECh. 4.1 - Prob. 45ECh. 4.1 - In the linear space of infinite sequences,...Ch. 4.1 - A function f(t) from to is called even if...Ch. 4.1 - Prob. 48ECh. 4.1 - Let L(m,n) be the set of all linear...Ch. 4.1 - Prob. 50ECh. 4.1 - Prob. 51ECh. 4.1 - Make up a second-order linear DE whose solution...Ch. 4.1 - Show that in an n-dimensional linear space we can...Ch. 4.1 - Show that if W is a subspace of an n-dimensional...Ch. 4.1 - Show that the space F(,) of all functions from to...Ch. 4.1 - Show that the space of infinite sequences of real...Ch. 4.1 - We say that a linear space V is finitely generated...Ch. 4.1 - In this exercise we will show that the functions...Ch. 4.1 - Show that if 0 is the neutral element of a linear...Ch. 4.1 - Consider the sequence (f0,f1,f2) recursively...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 15ECh. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 17ECh. 4.2 - Prob. 18ECh. 4.2 - Prob. 19ECh. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 21ECh. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 23ECh. 4.2 - Prob. 24ECh. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 35ECh. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 41ECh. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 46ECh. 4.2 - Find out which of the transformations in Exercises...Ch. 4.2 - Prob. 48ECh. 4.2 - Prob. 49ECh. 4.2 - Prob. 50ECh. 4.2 - Prob. 51ECh. 4.2 - Prob. 52ECh. 4.2 - Find the image, rank, kernel, and nullity of the...Ch. 4.2 - Find the image, rank, kernel, and nullity of the...Ch. 4.2 - Find the image and kernel of the transformation T...Ch. 4.2 - Find the image, rank, kernel, and nullity of the...Ch. 4.2 - Find the kernel and nullity of the transformation...Ch. 4.2 - Find the image and kernel of the transformation T...Ch. 4.2 - For the transformation T in Exercise 23, find the...Ch. 4.2 - For the transformation T in Exercise 42, find the...Ch. 4.2 - Find the image and kernel of the transformation T...Ch. 4.2 - Find the image and kernel of the transformation T...Ch. 4.2 - Define an isomorphism from P3 to 3 , if you can.Ch. 4.2 - Define an isomorphism from P3 to 22 , if you can.Ch. 4.2 - We will define a transformation T from nm to...Ch. 4.2 - Find the kernel and nullity of the linear...Ch. 4.2 - For which constants k is the linear transformation...Ch. 4.2 - For which constants k is the linear transformation...Ch. 4.2 - If matrix A is similar to B, is T(M)=AMMB an...Ch. 4.2 - For which real numbers co, c0,c1,...,cn is the...Ch. 4.2 - Prob. 71ECh. 4.2 - Prob. 72ECh. 4.2 - Prob. 73ECh. 4.2 - In Exercises 72 through 74, let Znbe the set of...Ch. 4.2 - Prob. 75ECh. 4.2 - Prob. 76ECh. 4.2 - Prob. 77ECh. 4.2 - Let + be the set of positive real numbers. On + we...Ch. 4.2 - Prob. 79ECh. 4.2 - Prob. 80ECh. 4.2 - Prob. 81ECh. 4.2 - Prob. 82ECh. 4.2 - Consider linear transformations T from V to W and...Ch. 4.2 - Prob. 84ECh. 4.3 - GOAL Use the concept of coordinates. Find the...Ch. 4.3 - GOAL Use the concept of coordinates. Find the...Ch. 4.3 - Do the polynomials...Ch. 4.3 - Consider the polynomials f(t)=t+1 and...Ch. 4.3 - Prob. 5ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 7ECh. 4.3 - Prob. 8ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 11ECh. 4.3 - Prob. 12ECh. 4.3 - Prob. 13ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 15ECh. 4.3 - Prob. 16ECh. 4.3 - Prob. 17ECh. 4.3 - Prob. 18ECh. 4.3 - Prob. 19ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 21ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 25ECh. 4.3 - Prob. 26ECh. 4.3 - Prob. 27ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 29ECh. 4.3 - Prob. 30ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 32ECh. 4.3 - In Exercises 5 through 40, find the matrix of the...Ch. 4.3 - Prob. 34ECh. 4.3 - Prob. 35ECh. 4.3 - Prob. 36ECh. 4.3 - Prob. 37ECh. 4.3 - Prob. 38ECh. 4.3 - Prob. 39ECh. 4.3 - Prob. 40ECh. 4.3 - Prob. 41ECh. 4.3 - Prob. 42ECh. 4.3 - Prob. 43ECh. 4.3 - a. Find the change of basis matrix S from the...Ch. 4.3 - Prob. 45ECh. 4.3 - a. Find the change of basis matrix S from the...Ch. 4.3 - a. Find the change of basis matrix S from the...Ch. 4.3 - Prob. 48ECh. 4.3 - Prob. 49ECh. 4.3 - In Exercises 48 through 53, let V be the space...Ch. 4.3 - Prob. 51ECh. 4.3 - Prob. 52ECh. 4.3 - Prob. 53ECh. 4.3 - In Exercises 54 through 58, let V be the plane...Ch. 4.3 - Prob. 55ECh. 4.3 - Prob. 56ECh. 4.3 - Prob. 57ECh. 4.3 - Prob. 58ECh. 4.3 - Consider a linear transformation T from V to V...Ch. 4.3 - In the plane V defined by the equation 2x1+x22x3=0...Ch. 4.3 - Prob. 61ECh. 4.3 - Prob. 62ECh. 4.3 - Prob. 63ECh. 4.3 - Let V be the space of all upper triangular 22...Ch. 4.3 - Let V be the subspace of 22 spanned by the...Ch. 4.3 - Prob. 66ECh. 4.3 - Let V be the linear space of all functions of the...Ch. 4.3 - Consider the linear space V of all infinite...Ch. 4.3 - Consider a basis f1,...,fn , of Pn1.Let a1,...,an...Ch. 4.3 - Prob. 70ECh. 4.3 - Prob. 71ECh. 4.3 - In all parts of this problem, let V be the set of...Ch. 4.3 - Prob. 73ECh. 4 - The polynomials of degree less than 7 form a seven...Ch. 4 - Prob. 2ECh. 4 - Prob. 3ECh. 4 - Prob. 4ECh. 4 - The space 23 is five-dimensional.Ch. 4 - Prob. 6ECh. 4 - Prob. 7ECh. 4 - Prob. 8ECh. 4 - If W1 and W2 are subspaces of a linear space V,...Ch. 4 - If T is a linear transformation from P6 to 22 ,...Ch. 4 - Prob. 11ECh. 4 - Prob. 12ECh. 4 - Prob. 13ECh. 4 - All linear transformations from P3 to 22 are...Ch. 4 - If T is a linear transformation from V to V, then...Ch. 4 - Prob. 16ECh. 4 - Every polynomial of degree 3 can be expressed as a...Ch. 4 - a linear space V can be spanned by 10 elements,...Ch. 4 - Prob. 19ECh. 4 - There exists a 22 matrix A such that the space V...Ch. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Prob. 27ECh. 4 - Prob. 28ECh. 4 - Prob. 29ECh. 4 - Prob. 30ECh. 4 - If W is a subspace of V, and if W is finite...Ch. 4 - Prob. 32ECh. 4 - Prob. 33ECh. 4 - Prob. 34ECh. 4 - Prob. 35ECh. 4 - Prob. 36ECh. 4 - Prob. 37ECh. 4 - Prob. 38ECh. 4 - Prob. 39ECh. 4 - Prob. 40ECh. 4 - Prob. 41ECh. 4 - The transformation D(f)=f from C to C is an...Ch. 4 - If T is a linear transformation from P4 to W with...Ch. 4 - The kernel of the linear transformation...Ch. 4 - If T is a linear transformation from V to V, then...Ch. 4 - If T is a linear transformation from P6 to P6 that...Ch. 4 - There exist invertible 22 matrices P and Q such...Ch. 4 - There exists a linear transformation from P6 to ...Ch. 4 - If f1,f2,f3 is a basis of a linear space V, and if...Ch. 4 - There exists a two-dimensional subspace of 22...Ch. 4 - The space P11 is isomorphic to 34 .Ch. 4 - If T is a linear transformation from V to W, and...Ch. 4 - If T is a linear transformation from V to 22 with...Ch. 4 - The function T(f(t))=ddt23t+4f(x)dx from P5 to P5...Ch. 4 - Any four-dimensional linear space has infinitely...Ch. 4 - If the matrix of a linear transformation T (with...Ch. 4 - If the image of a linear transformation T is...Ch. 4 - There exists a 22 matrix A such that the space of...Ch. 4 - If A, B, C, and D are noninvertible 22 matrices,...Ch. 4 - There exist two distinct three-dimensional...Ch. 4 - the elements f1,...,fn , (where f10 ) are linearly...Ch. 4 - There exists a 33 matrix P such that the linear...Ch. 4 - If f1,f2,f3,f4,f5 are elements of a linear space...Ch. 4 - There exists a linear transformation T from P6 to...Ch. 4 - If T is a linear transformation from V to W, and...Ch. 4 - If the matrix of a linear transformation T (with...Ch. 4 - Every three-dimensional subspace of 22 contains at...
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