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D. P2→ P2 (Dthe differential operator so that D(ax2+bx+c) = 2ax +b); a the standard basis for P2; ß the basis consisting of x2+1, x+1, 2x²+1; ở = x² + 2x – 2. a) Find [T]% where a is the standard basis for P2 b) Find the change of basis matrix from a to B. c) Find the change of basis matrix from B to a.

D. P2→ P2 (Dthe differential operator so that D(ax2+bx+c) = 2ax +b); a the standard basis for P2; ß the basis consisting of x2+1, x+1, 2x²+1; ở = x² + 2x – 2. a) Find [T]% where a is the standard basis for P2 b) Find the change of basis matrix from a to B. c) Find the change of basis matrix from B to a.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Title: Understanding Basis Change and Differential Operators in Polynomial Spaces In this educational module, we will explore the differential operator and the process of changing bases in the polynomial space \( P_2 \). **Differential Operator:** We define the differential operator \( D \) such that for a polynomial \( ax^2 + bx + c \), \( D(ax^2 + bx + c) = 2ax + b \). **Basis Definitions:** - **Standard Basis for \( P_2 \) (\(\alpha\))**: This is the common basis. - **Basis \( \beta \)**: This basis consists of: - \( x^2 + 1 \) - \( x + 1 \) - \( 2x^2 + 1 \) We also consider the polynomial \(\vec{v} = x^2 + 2x - 2\). ### Tasks: a) **Find \([T]_\alpha\) where \(\alpha\) is the standard basis for \( P_2 \).** b) **Find the change of basis matrix from \(\alpha\) to \(\beta\).** c) **Find the change of basis matrix from \(\beta\) to \(\alpha\).** --- These tasks will help you understand how to work with different polynomial bases and apply transformations in \( P_2 \).
Transcribed Image Text:Title: Understanding Basis Change and Differential Operators in Polynomial Spaces In this educational module, we will explore the differential operator and the process of changing bases in the polynomial space \( P_2 \). **Differential Operator:** We define the differential operator \( D \) such that for a polynomial \( ax^2 + bx + c \), \( D(ax^2 + bx + c) = 2ax + b \). **Basis Definitions:** - **Standard Basis for \( P_2 \) (\(\alpha\))**: This is the common basis. - **Basis \( \beta \)**: This basis consists of: - \( x^2 + 1 \) - \( x + 1 \) - \( 2x^2 + 1 \) We also consider the polynomial \(\vec{v} = x^2 + 2x - 2\). ### Tasks: a) **Find \([T]_\alpha\) where \(\alpha\) is the standard basis for \( P_2 \).** b) **Find the change of basis matrix from \(\alpha\) to \(\beta\).** c) **Find the change of basis matrix from \(\beta\) to \(\alpha\).** --- These tasks will help you understand how to work with different polynomial bases and apply transformations in \( P_2 \).
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