烟花算法求解非线性方程组-杜振鑫[1]

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2013.02(,521041):;;;:2012-11-20:2013-01-10:(1976-),,,,,、,。。,,。::1007-1423(2013)04-0018-04DOI:10.3969/j.issn.1007-1423.2013.04.0050、。,,,。,、、[1~2],。,。[3]2010,,[4]。,、。1。,,。,,1()。,,,。i(i=1,2,…,n):si=m·ymax-f(xi)+ζni=1Σ(ymax-f(xi))+ζ(1)(1)mn,ymax=max(f(xi))(i=1,2,…,n)n(),ζ,。i(i=1,2…,n):Ai=A∧f(xi)-ymin+ζni=1Σ(f(xi)-ymin)+ζ(2)(2)A∧,ymin=max(f(xi))n(),ζ。i(i=1,2,…,n):D,Dz,i(i=1,2,…,n)j(j=1,2,…,si)k(k=1,2,…,z):xk=xk+Ai·rand(-1,1)(3)趤趻2013.02rand(-1,1)[-1,1]。,nm。,,m∧,j(j=1,2,…,m∧)k(k=1,2,…,si):x∧jk=x∧jk·Gaussian(1,1)(4),Gaussian(1,1)1。1n,()K'=n+m+m∧。k()n,。i(i=1,2,…,k)():R(xi)=j∈KΣd(xi-xj)(5)p(xi)=R(xi)j∈KΣd(xj)(6)(5)d(xi-xj)ij,,。,(),,,。22.1:f(x)=0(7)f(x)(c,d),x*。[a,b](7)x*,[a,b]∈(c,d)。(7)[a,b]x*:V(x)=(f(x))2(8)[a,b]。V(x)0,x(7)。n,n,(9):f1=(x1,x2,…,xn)=0f2=(x1,x2,…,xn)=0…fn=(x1,x2,…,xn)=ΣΣΣΣΣΣΣΣΣΣΣΣΣ0,fn=(x1,x2,…,xn)=0(i=1,2,…,n),X=[x1,x2,…,xn],ai≤xi≤bi,aibixi。,:F(x)=ni=1Σfi2(x1,x2,…,xn)ai≤xi≤bi。2.2F(x)。(1)n;(2)n:(1)si,,Dz(3);(3)m∧,,;(4),,n-1,n,;(5),(2)。3[5],50。,,,,。   !m∧。(),n趤趽2013.02    ::IntelCorei3CPUM350@2.27GHz,4GB,32Win7。1、23,。1:f(x)=x3-2x-5=0,x∈[-4,4]2:f(x)=x3-3x2-6x+8,x∈[0,2]3:f1(x)=x1+14x22x4x6+0.75=0f2(x)=x2+0.405e(1+x1x2)-1.405=0f3(x)=x3-14x4x6+1.25=0f4(x)=x4-0.605e(1-x23)-0.395=0f5(x)=x5-12x2x6+1.5=0f6(x)=x6-x1x5+1.5=∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈∈0:-2≤x1,x2,x3,x4,x5,x6≤2,:(-1,1,-1,1,-1,1)T4:x1x2+x2x1-5x1x2x3-85=0x13-x2x3+x3x2-60=0x1x3+x3x1-x2-2=∈∈∈∈∈∈∈≤∈∈∈∈∈∈∈0:0≤x1,x2,x3≤10,:x*=(4,3,1)T11223341,,,。23,、34,[5]。4,:。,。,,。。Rosenbrock,,:f4(x)=D-1i=1Σ(100(xi2-xi+1)2+(xi-1)2)(10)。:(3,2),4904,(3,3),3604,,,(3,3),,(1,1),。,,,,,,,,,。:(5,8),28916,,(4,9),4909,,,54,1,89,。,,,。,,Dz,,,。                         趥趭2013.025,[5],、,,。,,。[1],,,.[J].,2006,42(21)[2],,,[J]..,2011,47(9)[3]TanY.,ZhuY.C..FireworksAlgorithmsforOptimization[C].Proc.ofInt.Conf.onSwarmIntelligence(ICSI2010),PartII,LNCS6145,pp.355-364,Beijing,China(12~15,Jun.2010)[4]Y.Pei,S.Q.Zheng,Y.Tan,HideyukiTakagi.AnEmpiricalStudyonInfluenceofApproximationApproachesonEnhan-cingFireworksAlgorithm[C].IEEEInternationalConferencceonSystem,ManandCybernetics(SMC2012),Seoul,Korea.October14~17,2012[5].[J].,2012,48(22)FireworksAlgorithmforSolvingNonlinearEquationandSystemDUZhen-xin(DepartmentofInformationEngineering,CollegeofCeramic,HanshanNormalUniversity,Chaozhou521041)Keywords:FireworksAlgorithm;NonlinearEquation;NonlinearSystem;VariableCouplingFireworksalgorithmisanewproposedefficientoptimizationalgorithmandhasbeenusedtosolveoptimizationproblems.Proposesanalgorithmtosolvenonlinearequationandsystemproblems.Experimentsshowthattheproposedalgorithmhaveadvantageovertheotheralgo-rithminsolvingvariable-couplingequations,givesananalysistodisclosewhytheproposedal-gorithmismoreeffective.Abstract:趥趮

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