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当前选项名称和旧选项名称

许多选项名称在 R2016a 中都发生了更改。optimset 仅使用旧的选项名称。optimoptions 既接受旧名称也接受更改后的名称。但是,当您使用旧的名称-值对组设置选项时,optimoptions 会显示当前名称等效值。例如,旧的 TolX 选项等效于当前的 StepTolerance 选项。

options = optimoptions("fsolve",TolX=1e-4)
options = 

  fsolve options:

   Options used by current Algorithm ('trust-region-dogleg'):
   (Other available algorithms: 'levenberg-marquardt', 'trust-region')

   Set properties:
               StepTolerance: 1.0000e-04

   Default properties:
                   Algorithm: 'trust-region-dogleg'
                     Display: 'final'
    FiniteDifferenceStepSize: 'sqrt(eps)'
        FiniteDifferenceType: 'forward'
           FunctionTolerance: 1.0000e-06
      MaxFunctionEvaluations: '100*numberOfVariables'
               MaxIterations: 400
         OptimalityTolerance: 1.0000e-06
                   OutputFcn: []
                     PlotFcn: []
    SpecifyObjectiveGradient: 0
                    TypicalX: 'ones(numberOfVariables,1)'
                 UseParallel: 0

   Show options not used by current Algorithm ('trust-region-dogleg')

下表提供相同的信息。第一个表按旧选项名称的字母顺序列出选项,第二个表按当前选项名称的字母顺序列出选项。这些表仅包括那些存在不同或具有不同值的名称,并且仅列出旧选项和当前选项中存在差异的那些值。有关 Global Optimization Toolbox 求解器中的更改,请参阅R2016a 中的选项变更 (Global Optimization Toolbox)

按旧名称顺序排列的选项表

旧名称当前名称旧值当前值
AlwaysHonorConstraintsHonorBounds"bounds", "none"true, false
FinDiffRelStepFiniteDifferenceStepSize  
FinDiffTypeFiniteDifferenceType  
GoalsExactAchieveEqualityGoalCount  
GradConstrSpecifyConstraintGradient"on", "off"true, false
GradObjSpecifyObjectiveGradient"on", "off"true, false
HessianHessianApproximation"user-supplied", "bfgs", "lbfgs", "fin-diff-grads", "on", "off"

"bfgs", "lbfgs", "finite-difference"

HessianFcnHessianMultiplyFcn 非空时将被忽略。

HessFcnHessianFcn  
HessMultHessianMultiplyFcn  
HessUpdate(在 R2022a 中针对 fminunc 进行了更改)HessianApproximation"bfgs", "lbfgs", {"lbfgs",Positive Integer}, "dfp", "steepdesc""bfgs", "lbfgs", {"lbfgs",Positive Integer}
JacobianSpecifyObjectiveGradient  
JacobMultJacobianMultiplyFcn  
MaxFunEvalsMaxFunctionEvaluations  
MaxIterMaxIterations  
MinAbsMaxAbsoluteMaxObjectiveCount  
PlotFcnsPlotFcn  
ScaleProblemScaleProblem"obj-and-constr", "none"true, false
SubproblemAlgorithmSubproblemAlgorithm"cg", "ldl-factorization""cg", "factorization"
TolConConstraintTolerance  
TolFun(用法 1)OptimalityTolerance  
TolFun(用法 2)FunctionTolerance  
TolGapAbsAbsoluteGapTolerance  
TolGapRelRelativeGapTolerance  
TolXStepTolerance  

按当前名称顺序排列的选项列表

当前名称旧名称当前值旧值
AbsoluteGapToleranceTolGapAbs  
AbsoluteMaxObjectiveCountMinAbsMax  
ConstraintToleranceTolCon  
EqualityGoalCountGoalsExactAchieve  
FiniteDifferenceStepSizeFinDiffRelStep  
FiniteDifferenceTypeFinDiffType  
FunctionToleranceTolFun(用法 2)  
HessianApproximation (fmincon)Hessian

"bfgs", "lbfgs", "finite-difference"

HessianFcnHessianMultiplyFcn 非空时将被忽略。

"user-supplied", "bfgs", "lbfgs", "fin-diff-grads", "on", "off"
HessianApproximation (fminunc)(在 R2022a 中针对 fminunc 进行了更改)HessUpdate

"bfgs", "lbfgs", {"lbfgs",Positive Integer}

"bfgs", "lbfgs", {"lbfgs",Positive Integer}, "dfp", "steepdesc"
HessianFcnHessFcn  
HessianMultiplyFcnHessMult  
HonorBoundsAlwaysHonorConstraintstrue, false"bounds", "none"
JacobianMultiplyFcnJacobMult  
MaxFunctionEvaluationsMaxFunEvals  
MaxIterationsMaxIter  
OptimalityToleranceTolFun(用法 1)  
PlotFcnPlotFcns  
RelativeGapToleranceTolGapRel  
ScaleProblemScaleProblemtrue, false"obj-and-constr", "none"
SpecifyConstraintGradientGradConstrtrue, false"on", "off"
SpecifyObjectiveGradientGradObjJacobiantrue, false"on", "off"
StepToleranceTolX  
SubproblemAlgorithmSubproblemAlgorithm"cg", "factorization""cg", "ldl-factorization"

另请参阅

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