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options = Display: 'iter' MaxFunEvals: [] MaxIter: [] TolFun: [] TolX: [] FunValCheck: [] OutputFcn: [] PlotFcns: [] ActiveConstrTol: [] Algorithm: [] AlwaysHonorConstraints: [] BranchStrategy: [] DerivativeCheck: [] Diagnostics: [] DiffMaxChange: [] DiffMinChange: [] FinDiffType: 'central' GoalsExactAchieve: [] GradConstr: [] GradObj: [] HessFcn: [] Hessian: [] HessMult: [] HessPattern: [] HessUpdate: [] InitialHessType: [] InitialHessMatrix: [] InitBarrierParam: [] InitTrustRegionRadius: [] Jacobian: [] JacobMult: [] JacobPattern: [] LargeScale: 'off' LevenbergMarquardt: [] LineSearchType: [] MaxNodes: [] MaxPCGIter: [] MaxProjCGIter: [] MaxRLPIter: [] MaxSQPIter: [] MaxTime: [] MeritFunction: [] MinAbsMax: [] NodeDisplayInterval: [] NodeSearchStrategy: [] NonlEqnAlgorithm: [] NoStopIfFlatInfeas: [] ObjectiveLimit: [] PhaseOneTotalScaling: [] Preconditioner: [] PrecondBandWidth: [] RelLineSrchBnd: [] RelLineSrchBndDuration: [] ScaleProblem: [] Simplex: [] SubproblemAlgorithm: [] TolCon: [] TolConSQP: [] TolGradCon: [] TolPCG: [] TolProjCG: [] TolProjCGAbs: [] TolRLPFun: [] TolXInteger: [] TypicalX: [] UseParallel: [] Norm of First-order Trust-region Iteration Func-count f(x) step optimality radius 0 3 2.06697e+014 2.49e+014 1 1 6 1.03581e+012 0.92278 2.86e+013 1 2 9 4.38753e+007 0.0759773 5.33e+011 2.31 3 12 0.0824035 0.000500989 3.85e+007 2.31 4 15 1.18085e-013 2.17124e-008 3.77e+003 2.31 5 16 1.18085e-013 3.37394e-017 3.77e+003 2.31 Equation solved, fsolve stalled. fsolve stopped because the relative size of the current step is less than the default value of the step size tolerance squared and the vector of function values is near zero as measured by the default value of the function tolerance. <stopping criteria details> x = 1.0000 0.9993 fval = 1.0e-006 * -0.3436 0.0006 extiflag = 2 output = iterations: 5 funcCount: 16 algorithm: 'trust-region-dogleg' firstorderopt: 3.7653e+003 message: [1x774 char] JAC = 1.0e+010 * 1.0957 -0.0000 -0.0013 0.0013 °ïÎÒ¿´¿´ÎÒµÄÎÊÌâ³öÔÚÄÄ£¬ÎÒ¸ÃÔõô½â¾ö£¿ÕâÊÇÒ»¸öÓÃÀ´¼ÆË㻯ѧƽºâ×é³É [ À´×ÔС×é »¯¹¤¹¤³Ì¹¤ÒÕ ] |
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function ChemEquil clear all clc global P P=600; %ѹÁ¦µ¥Î»£ºkpa %m=50; %ÇâÆø£º²ÝËá¶þ¼×õ¥Ä¦¶û±È %KP1=[23.4 21.8 20.3 18.9 17.6 16.4 15.3 14.2 13.3 12.4 11.5 10.8]; %KP2=[0.0393 0.0375 0.0358 0.0342 0.0328 0.0314 0.0301 0.0289 0.0277 0.0267... % 0.0257 0.0247]; %KP3=[4.4346E05 3.6476E05 3.0202E05 2.5168E05 2.1101E05 1.7796E05 1.5094E05... %1.2872E05 1.1036E05 0.9509E05 0.8233E05 0.7163E05]; %x0=0.001; %x=fsolve(@equil1,x0,[]) x0=[1 0 ]'; options=optimset('Display','iter', 'LargeScale','off','TolFun', 1.0e-22,'TolX',1.0e-22) [x,fval,extiflag,output,JAC]=fsolve(@equil1,x0,options) %................................................... %ƽºâ×é³É¹ØÏµÊ½ function f=equil1(x) global P %f=x^2*(51-x)-21.8*((50-2*x)^2*(1-x)*P) tmp1=50-2*x(1)-2*x(2); tmp2=51-x(1)-x(2); f(1)=(x(1)-x(2))*(x(1)+x(2))*tmp2*100-8630*((1-x(1))*tmp1^2*P); f(2)=(x(1)+x(2))*x(2)*tmp2*100-10.4*((x(1)-x(2))*tmp1^2*P); ÕâÊÇÔ´³ÌÐò£¬¿ÉÒÔ°ïÎÒ¿´¿´´íÔÚÄÄ£¿ÊDz»ÊÇÒª¸ÄËã·¨ |
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