gusucode.com > 十大算法matlab程序说明 > 十大算法matlab程序说明/遗传退火法/一个Matlab的模拟退火算法工具箱/tsallis.m
function a = tsallis(dE,T,q) % Tsallis 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 = tsallis(dE,T,q) ; % % dE = the difference in cost between a trial state and % the current state: dE = Wtrial - W % T = the current temperature % q = the "q" parameter of the tsallis acceptance rule % a = 0 if trial is rejected, otherwise 1. % a = 0 ; if T > 0 if (dE <= 0) | (q == 1) a = 1 ; else D = (1 - q)*(dE/T) ; if D <= 1 if rand < (1 - D)^(1/(1-q)) a = 1 ; end end end end