Find the change of basis matrix from B1 to B2. -1 2

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Author:Erwin Kreyszig
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**Title: Understanding Change of Basis Matrices**

**Introduction to Basis Change:**
In linear algebra, changing the basis of a vector space involves transforming the vector representations relative to different bases. Here, we focus on finding the change of basis matrix from basis \( B_1 \) to basis \( B_2 \).

**Given Bases:**
- \( B_1 = \left\{ \begin{bmatrix} 2 \\ 1 \end{bmatrix}, \begin{bmatrix} 1 \\ 1 \end{bmatrix} \right\} \)
- \( B_2 = \left\{ \begin{bmatrix} 5 \\ 3 \end{bmatrix}, \begin{bmatrix} 7 \\ 4 \end{bmatrix} \right\} \)

**Change of Basis Matrix:**
The task is to find the change of basis matrix that converts coordinates from \( B_1 \) to \( B_2 \).

**Matrix Representation:**
The change of basis matrix is represented as:
\[
\begin{bmatrix}
-3 & -1 \\
2 & 2 
\end{bmatrix}
\]

- The numbers inside the matrix are arranged in rows and columns. 
- The elements of the matrix represent linear transformations needed to express vectors in terms of the new basis.

**Arrows and Validation:**
- Green arrows beside the matrix elements likely indicate a proposed solution to the basis transformation.
- A red cross at the bottom left might suggest an incorrect solution or an error in the transformation process, indicating a need to re-evaluate the calculations.

**Conclusion:**
Clearly understanding and calculating change of basis matrices is essential for manipulating vector representations across different coordinate systems in linear algebra. The matrix above plays a crucial role in transforming vector coordinates from one basis \( B_1 \) to another basis \( B_2 \).
Transcribed Image Text:**Title: Understanding Change of Basis Matrices** **Introduction to Basis Change:** In linear algebra, changing the basis of a vector space involves transforming the vector representations relative to different bases. Here, we focus on finding the change of basis matrix from basis \( B_1 \) to basis \( B_2 \). **Given Bases:** - \( B_1 = \left\{ \begin{bmatrix} 2 \\ 1 \end{bmatrix}, \begin{bmatrix} 1 \\ 1 \end{bmatrix} \right\} \) - \( B_2 = \left\{ \begin{bmatrix} 5 \\ 3 \end{bmatrix}, \begin{bmatrix} 7 \\ 4 \end{bmatrix} \right\} \) **Change of Basis Matrix:** The task is to find the change of basis matrix that converts coordinates from \( B_1 \) to \( B_2 \). **Matrix Representation:** The change of basis matrix is represented as: \[ \begin{bmatrix} -3 & -1 \\ 2 & 2 \end{bmatrix} \] - The numbers inside the matrix are arranged in rows and columns. - The elements of the matrix represent linear transformations needed to express vectors in terms of the new basis. **Arrows and Validation:** - Green arrows beside the matrix elements likely indicate a proposed solution to the basis transformation. - A red cross at the bottom left might suggest an incorrect solution or an error in the transformation process, indicating a need to re-evaluate the calculations. **Conclusion:** Clearly understanding and calculating change of basis matrices is essential for manipulating vector representations across different coordinate systems in linear algebra. The matrix above plays a crucial role in transforming vector coordinates from one basis \( B_1 \) to another basis \( B_2 \).
**Find the Change of Basis Matrix**

To find the change of basis matrix from \( B_2 \) to \( B_1 \), we are given two sets of basis vectors:

- \( B_1 = \left\{ \begin{bmatrix} 4 \\ 1 \end{bmatrix}, \begin{bmatrix} 7 \\ 2 \end{bmatrix} \right\} \)
- \( B_2 = \left\{ \begin{bmatrix} 5 \\ 1 \end{bmatrix}, \begin{bmatrix} 11 \\ 2 \end{bmatrix} \right\} \)

The image includes a blank 2x2 matrix, which indicates the position for the change of basis matrix.

Arrows are included in the image for visual guidance:
- A rightward arrow pointing from \( B_2 \) to the blank matrix, suggesting the transformation process.
- A downward arrow on the left side of the blank matrix, signifying the order of operations or matrix placement. 

To solve this problem, you need to express the vectors of \( B_2 \) in terms of the vectors of \( B_1 \) and compute the resulting transformation matrix.
Transcribed Image Text:**Find the Change of Basis Matrix** To find the change of basis matrix from \( B_2 \) to \( B_1 \), we are given two sets of basis vectors: - \( B_1 = \left\{ \begin{bmatrix} 4 \\ 1 \end{bmatrix}, \begin{bmatrix} 7 \\ 2 \end{bmatrix} \right\} \) - \( B_2 = \left\{ \begin{bmatrix} 5 \\ 1 \end{bmatrix}, \begin{bmatrix} 11 \\ 2 \end{bmatrix} \right\} \) The image includes a blank 2x2 matrix, which indicates the position for the change of basis matrix. Arrows are included in the image for visual guidance: - A rightward arrow pointing from \( B_2 \) to the blank matrix, suggesting the transformation process. - A downward arrow on the left side of the blank matrix, signifying the order of operations or matrix placement. To solve this problem, you need to express the vectors of \( B_2 \) in terms of the vectors of \( B_1 \) and compute the resulting transformation matrix.
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