optimizing using particle swarm optimization

Variables                     Levels 
   -1  0  1
Feed(mm/rev)  0.1  0.2  0.3
DOC(mm)  0.2  0.3  0.4
RPM  500  1250  2000
Tool wear= 0.0076390+ 0.000024*FEED+ 0.001581*RPM+ 0.000422*DEPTH OF CUT+ 0.000389*     FEED*FEED + 0.000663*RPM*RPM - 0.000849*FEED*RPM - 0.000749*FEED*DEPTH OF CUT + 0.000704*RPM*DEPTH OF CUT

i want the full matlab program regarding this problem using pso im matlab..how can i install pso toolbox in matlab?? it does nt work..

[Walter Roberson]

duplicates http://www.mathworks.co.uk/matlabcentral/answers/69077-optimization-using-particle-swarm-optimization