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function a = szu(dE,T,q) % Szu-Hartley "fast annealing" acceptance method supplied with SA Tools. % Copyright (c) 2002, by Richard Frost and Frost Concepts. % See http://www.frostconcepts.com/software for information on SA Tools. % % a = szu(dE,T,q) ; % % dE = the difference in cost between a trial state and % the current state: dE = Wtrial - W % T = the current temperature % q = (not used) any data required by the acceptrule % a = 0 if trial is rejected, otherwise 1. % a = 0 ; if T > 0 if rand < (1 / (1 + exp(dE/T))) a = 1 ; end end