If not, why not? 1 6 4 -(0·0·0); 3 1 8 6 4. What is span ?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Linear Algebra

**Carpet Ride Problem in a Three-Dimensional World**

In this exercise, you are exploring a three-dimensional world with three modes of transportation, represented by vectors:

\[ \vec{v}_1 = \begin{bmatrix} 1 \\ 1 \\ 1 \end{bmatrix}, \quad \vec{v}_2 = \begin{bmatrix} 6 \\ 3 \\ 8 \end{bmatrix}, \quad \vec{v}_3 = \begin{bmatrix} 4 \\ 1 \\ 6 \end{bmatrix} \]

You are allowed to use each mode of transportation only once, either in the forward or backward direction, for a fixed amount of time (\(c_1\) on \(\vec{v}_1\), \(c_2\) on \(\vec{v}_2\), \(c_3\) on \(\vec{v}_3\)).

### Tasks:

1. **Determine Time Amounts:**
   Find the amounts of time for each mode of transportation (\(c_1\), \(c_2\), and \(c_3\)) required to make a journey that begins and ends at home, or explain why it cannot be done.

2. **Explore Multiple Journey Options:**
   Determine if there is more than one combination of times that allows you to return home. If so, describe the possibilities.

3. **Investigate Hidden Locations:**
   Consider if there is any location in this 3D world that cannot be reached using the given modes of transportation. Discuss why or why not.

4. **Determine the Span:**
   Identify the span of the set of vectors:
   \[
   \left\{ \begin{bmatrix} 1 \\ 1 \\ 1 \end{bmatrix}, \begin{bmatrix} 6 \\ 3 \\ 8 \end{bmatrix}, \begin{bmatrix} 4 \\ 1 \\ 6 \end{bmatrix} \right\}
   \]
Transcribed Image Text:**Carpet Ride Problem in a Three-Dimensional World** In this exercise, you are exploring a three-dimensional world with three modes of transportation, represented by vectors: \[ \vec{v}_1 = \begin{bmatrix} 1 \\ 1 \\ 1 \end{bmatrix}, \quad \vec{v}_2 = \begin{bmatrix} 6 \\ 3 \\ 8 \end{bmatrix}, \quad \vec{v}_3 = \begin{bmatrix} 4 \\ 1 \\ 6 \end{bmatrix} \] You are allowed to use each mode of transportation only once, either in the forward or backward direction, for a fixed amount of time (\(c_1\) on \(\vec{v}_1\), \(c_2\) on \(\vec{v}_2\), \(c_3\) on \(\vec{v}_3\)). ### Tasks: 1. **Determine Time Amounts:** Find the amounts of time for each mode of transportation (\(c_1\), \(c_2\), and \(c_3\)) required to make a journey that begins and ends at home, or explain why it cannot be done. 2. **Explore Multiple Journey Options:** Determine if there is more than one combination of times that allows you to return home. If so, describe the possibilities. 3. **Investigate Hidden Locations:** Consider if there is any location in this 3D world that cannot be reached using the given modes of transportation. Discuss why or why not. 4. **Determine the Span:** Identify the span of the set of vectors: \[ \left\{ \begin{bmatrix} 1 \\ 1 \\ 1 \end{bmatrix}, \begin{bmatrix} 6 \\ 3 \\ 8 \end{bmatrix}, \begin{bmatrix} 4 \\ 1 \\ 6 \end{bmatrix} \right\} \]
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