<div>        This is an example of an adjacency matrix. We can see that vertex&nbsp;<span class="ltx_Math" contenteditable="false" data-equation="1">\(1\)</span>&nbsp;is adjacent to vertex&nbsp;<span class="ltx_Math" contenteditable="false" data-equation="2">\(2\)</span>&nbsp;and&nbsp;<span class="ltx_Math" contenteditable="false" data-equation="3">\(3\)</span>&nbsp;therefore, they get a <span class="ltx_Math" contenteditable="false" data-equation="1">\(1\)</span>&nbsp;placed in their position and a&nbsp;<span class="ltx_Math" contenteditable="false" data-equation="0">\(0\)</span>&nbsp;in any other vertex.&nbsp;<br></div>