I'm curious what are you doing that is different that the Neighborhood comparison done in: J. Kennedy and R. Mendes (2006). Neighborhood topologies in fully informed and best-of-neighborhood particle swarms. IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews, Volume 36, Issue 4, pp. 515-519. -Travis > Date: Fri, 30 Oct 2009 12:43:32 -0400 > From: [log in to unmask] > Subject: PSO in ECJ with different neighborhood topologies > To: [log in to unmask] > > Hi I need to write a paper about the performance of different neighborhoods > in PSO. I chose ECJ as the tool. How can I change the neighborhood in ECJ? I > read I have to rewrite the assignNeighborhoodBests function. However I dont > have a clue about how to do this. The one used is obviously a ring topology. > How for instance can I transform the function into a star, pyramid, van > Neumann topology? Is it much effort to do so? Thanks for your help!!! > > Or do you have a different tool to suggest where I can simply change topologies? > > kind regards > Philipp _________________________________________________________________ Windows 7: Simplify your PC. Learn more. http://www.microsoft.com/Windows/windows-7/default.aspx?ocid=PID24727::T:WLMTAGL:ON:WL:en-US:WWL_WIN_evergreen1:102009