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Chapter 4 fixes #1029

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jkostiuk merged 1 commit into from
May 12, 2026
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Chapter 4 fixes #1029

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2 changes: 1 addition & 1 deletion source/linear-algebra/source/04-MX/01.ptx
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Expand Up @@ -394,7 +394,7 @@ in terms of matrix multiplication.</p>
</figure>

<ul>
<li>An <em>adjacency matrix</em> for this map is a matrix that has the number of roads from city <m>i</m> to city <m>j</m> in the <m>(i,j)</m> entry of the matrix. A road is a path of length exactly 1. All <m>(i,i)</m>entries are 0. Write the adjacency matrix for this map, with the cities in alphabetical order.</li>
<li>An <em>adjacency matrix</em> for this map is a matrix that has the number of roads from city <m>i</m> to city <m>j</m> in the <m>(i,j)</m> entry of the matrix. A road is a path of length exactly 1. All <m>(i,i)</m> entries are 0. Write the adjacency matrix for this map, with the cities in alphabetical order.</li>

<li>What does the square of this matrix tell you about the map? The cube? The <m>n</m>-th power?</li>
</ul>
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