7,129
个编辑
更改
→Pheromone update
<math>
<math>
\tau_{xy} \leftarrow (1-\rho)\tau_{xy} + \sum_{k}\Delta \tau^{k}_{xy}
\tau_{xy} \leftarrow
(1-\rho)\tau_{xy} + \sum_{k}\Delta \tau^{k}_{xy}
</math>
</math>
<math>
<math>
\Delta \tau^{k}_{xy} =\begin{cases}
\Delta \tau^{k}_{xy} =
\begin{cases}
Q/L_k & \mbox{if ant }k\mbox{ uses curve }xy\mbox{ in its tour} \\
Q/L_k & \mbox{if ant }k\mbox{ uses curve }xy\mbox{ in its tour} \\
0 & \mbox{otherwise}
0 & \mbox{otherwise}
\end{cases}
\end{cases}
</math>
</math>