Let B= (b,,b2} and C = {c1,c2) be bases for R. Find the change-of-coordinates matrix from B to C and the change-of-coordinates matrix from C to B. - 1 b = 1 b, = 3. C2 2 Find the change-of-coordinates matrix from B to C P = (Simplify your answers.) C-B

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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**Problem Statement:**

Let \( B = \{ \mathbf{b}_1, \mathbf{b}_2 \} \) and \( C = \{ \mathbf{c}_1, \mathbf{c}_2 \} \) be bases for \( \mathbb{R}^2 \). 

Given the basis vectors:
\[
\mathbf{b}_1 = \begin{bmatrix} -1 \\ 3 \end{bmatrix}, 
\mathbf{b}_2 = \begin{bmatrix} 1 \\ -2 \end{bmatrix}, 
\mathbf{c}_1 = \begin{bmatrix} 1 \\ 3 \end{bmatrix}, 
\mathbf{c}_2 = \begin{bmatrix} 1 \\ 2 \end{bmatrix}
\]

**Tasks:**

1. Find the change-of-coordinates matrix from \( B \) to \( C \).
2. Find the change-of-coordinates matrix from \( C \) to \( B \).

**Solution Approach:**

To solve this, we need to express each basis vector of \( B \) in terms of the basis vectors of \( C \), and vice versa. This is done by finding the coordinates of each basis vector of one basis with respect to the other basis.

**Change-of-Coordinates Matrix from \( B \) to \( C \):**

Represent \( \mathbf{b}_1 \) and \( \mathbf{b}_2 \) as linear combinations of \( \mathbf{c}_1 \) and \( \mathbf{c}_2 \).

**Change-of-Coordinates Matrix from \( C \) to \( B \):**

This is basically the inverse of the change-of-coordinates matrix from \( B \) to \( C \).

**Matrix Representation:**

\[
P = \begin{bmatrix} ? & ? \\ ? & ? \end{bmatrix}
\]

\[
C \leftarrow B = \begin{bmatrix} ? & ? \\ ? & ? \end{bmatrix}
\]

(Simplify your answers.)

By solving the above transformations and simplifying the results, you will obtain the required change-of-coordinates matrices.
Transcribed Image Text:**Problem Statement:** Let \( B = \{ \mathbf{b}_1, \mathbf{b}_2 \} \) and \( C = \{ \mathbf{c}_1, \mathbf{c}_2 \} \) be bases for \( \mathbb{R}^2 \). Given the basis vectors: \[ \mathbf{b}_1 = \begin{bmatrix} -1 \\ 3 \end{bmatrix}, \mathbf{b}_2 = \begin{bmatrix} 1 \\ -2 \end{bmatrix}, \mathbf{c}_1 = \begin{bmatrix} 1 \\ 3 \end{bmatrix}, \mathbf{c}_2 = \begin{bmatrix} 1 \\ 2 \end{bmatrix} \] **Tasks:** 1. Find the change-of-coordinates matrix from \( B \) to \( C \). 2. Find the change-of-coordinates matrix from \( C \) to \( B \). **Solution Approach:** To solve this, we need to express each basis vector of \( B \) in terms of the basis vectors of \( C \), and vice versa. This is done by finding the coordinates of each basis vector of one basis with respect to the other basis. **Change-of-Coordinates Matrix from \( B \) to \( C \):** Represent \( \mathbf{b}_1 \) and \( \mathbf{b}_2 \) as linear combinations of \( \mathbf{c}_1 \) and \( \mathbf{c}_2 \). **Change-of-Coordinates Matrix from \( C \) to \( B \):** This is basically the inverse of the change-of-coordinates matrix from \( B \) to \( C \). **Matrix Representation:** \[ P = \begin{bmatrix} ? & ? \\ ? & ? \end{bmatrix} \] \[ C \leftarrow B = \begin{bmatrix} ? & ? \\ ? & ? \end{bmatrix} \] (Simplify your answers.) By solving the above transformations and simplifying the results, you will obtain the required change-of-coordinates matrices.
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