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Particle Swarm Optimization Toolbox

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Particle Swarm Optimization Toolbox



22 Apr 2005 (Updated )

With Trelea, Common, and Clerc types along with ...

% linear_dyn.m
% returns an offset that can be added to data that increases linearly with
% time, based on cputime, first time it is called is start time
% equation is: offset = (cputime - tnot)*scalefactor
%  where tnot = cputime at the first call
%        scalefactor = value that slows or speeds up linear movement
% usage: [offset] = linear_dyn(scalefactor)

% Brian Birge
% Rev 1.0
% 8/23/04

function out = linear_dyn(sf)
 % this keeps the same start time for each run of the calling function 
 % this will reset when any calling prog is re-saved or workspace is
 % cleared
  persistent tnot
 % find starting time
  if ~exist('tnot') | length(tnot)==0
     tnot = cputime;
 out = (cputime-tnot)*sf;

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