| Exam Board | OCR MEI |
| Module | D2 (Decision Mathematics 2) |
| Year | 2007 |
| Session | June |
| Topic | Number Theory |
3 Floyd's algorithm is applied to the following network:
\includegraphics[max width=\textwidth, alt={}, center]{483a681e-011a-464f-b7cb-007d894d1516-3_398_394_331_833}
At the end of the third iteration of the algorithm the distance and route matrices are as follows:
\begin{center}
\begin{tabular}{ | c | c | c | c | c | }
\cline { 2 - 5 }
\multicolumn{1}{c|}{} & \(\mathbf { 1 }\) & \(\mathbf { 2 }\) & \(\mathbf { 3 }\) & \(\mathbf { 4 }\)
\hline
\(\mathbf { 1 }\) & 6 & 3 & 10 & 5
\hline
\(\mathbf { 2 }\) & 3 & 6 & 7 & 2
\hline
\(\mathbf { 3 }\) & 10 & 7 & 14 & 1
\hline