1. One application of linear transformations is to solving differential equations. Given a polynomial fe P2, we want to consider polynomials y € P2 satisfying the differential equation 2y" + (-х + 3) y'+ 2у — f on R. To do so, we will consider the linear transformation T : P2 → P2 defined by T(y) = 2y" + (-x + 3) y' + 2y for each y E P2. (a) Find the matrix of T with respect to the standard basis S = {1,x, x²} on P2. (b) The kernel of T is the set of all solutions y E P2 to the homogeneous differential equation 2y" + (-а + 3) у' + 2у — 0 on R. Find a basis and the dimension for the kernel of T. (c) Is T surjective? What does this tell you about the solution of the differential equation (*)?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 70EQ
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1. One application of linear transformations is to solving differential equations. Given a polynomial
fe P2, we want to consider polynomials y € P2 satisfying the differential equation
2y" + (-х + 3) y'+ 2у — f
on R.
To do so, we will consider the linear transformation T : P2 → P2 defined by
Т\у) — 2y" + (-т + 3) у'+ 2у
for each y E P2.
(a) Find the matrix of T with respect to the standard basis S = {1,x, x²} on P2.
(b) The kernel of T is the set of all solutions y E P2 to the homogeneous differential equation
2y" + (-а + 3) у'+ 2у 3D0
on R.
Find a basis and the dimension for the kernel of T.
(c) Is T surjective? What does this tell you about the solution of the differential equation (*)?
Transcribed Image Text:1. One application of linear transformations is to solving differential equations. Given a polynomial fe P2, we want to consider polynomials y € P2 satisfying the differential equation 2y" + (-х + 3) y'+ 2у — f on R. To do so, we will consider the linear transformation T : P2 → P2 defined by Т\у) — 2y" + (-т + 3) у'+ 2у for each y E P2. (a) Find the matrix of T with respect to the standard basis S = {1,x, x²} on P2. (b) The kernel of T is the set of all solutions y E P2 to the homogeneous differential equation 2y" + (-а + 3) у'+ 2у 3D0 on R. Find a basis and the dimension for the kernel of T. (c) Is T surjective? What does this tell you about the solution of the differential equation (*)?
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