function?val=ackley（x）
temp1=0;
temp2=0;
n=size（x2）;
for?i=1:n
????temp1=temp1+x（i）^2;
????temp2=temp2+cos（2*pi*x（i））;
end
val=20+exp（1）-20*exp（-0.2*sqrt（temp1/n））-exp（temp2/n）;
%x?from[-32?32]

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6593??2010-02-06?11:22??北大PSO\benchmark_m?（1）.zip

?????文件????5357056??2010-02-06?11:19??北大PSO\pso_and_itsvariants?（1）.ppt

?????文件????1642481??2010-02-06?11:22??北大PSO\benchmark_mat.tar?（1）.gz

?????文件????1912832??2005-03-09?23:08??北大PSO\benchmark_mat.tar?（1）

?????文件????????203??2007-11-21?14:51??北大PSO\nocon_rastrigin.m

?????文件????????126??2007-11-21?14:51??北大PSO\rastrigin.m

?????文件????????131??2007-11-21?14:51??北大PSO\rosenbrock.m

?????文件?????????75??2007-11-21?14:51??北大PSO\rot_ackley.m

?????文件?????????80??2007-11-21?14:51??北大PSO\rot_griewangk.m

?????文件?????????91??2007-11-21?14:51??北大PSO\rot_nocon_rastrigin.m

?????文件?????????79??2007-11-21?14:51??北大PSO\rot_rastrigin.m

?????文件?????????78??2007-11-21?14:51??北大PSO\rot_schwefel.m

?????文件?????????83??2007-11-21?14:51??北大PSO\rot_weierstrass.m

?????文件????????121??2007-11-21?14:51??北大PSO\schwefel.m

?????文件????????142??2007-11-21?14:51??北大PSO\sphere.m

?????文件????????204??2007-11-21?14:51??北大PSO\sumcan.m

?????文件????????107??2007-11-21?14:51??北大PSO\tablet.m

?????文件????????222??2007-11-21?14:51??北大PSO\weierstrass.m

?????文件????????203??2007-11-21?14:51??北大PSO\ackley.m

?????文件????????110??2007-11-21?14:51??北大PSO\cigar.m

?????文件????????366??2007-11-21?14:51??北大PSO\creatematrix.m

?????文件???????6500??2007-11-21?15:07??北大PSO\draw_figure.asv

?????文件???????6520??2007-11-21?15:12??北大PSO\draw_figure.m

?????文件????????121??2007-11-21?14:51??北大PSO\ellipse.m

?????文件????????241??2007-11-21?14:51??北大PSO\griewangk.m

?????文件????????335??2007-11-21?14:51??北大PSO\mrot.m

?????文件????????321??2007-11-21?14:51??北大PSO\mulmatrix.m

?????目錄??????????0??2010-03-14?10:41??北大PSO

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??????????????8935421????????????????????28

............此處省略1個文件信息