StepMonitor

可用

Option for monitoring integration steps

形式

StepMonitor

验证过的示例FindMinimum[Exp[x] + 1 / x, {x, 1}, StepMonitor :> Print["Step to x = ", x]] → {3.4422772944949744, {x -> 0.7034674224983916}}Block[{c = 0}, {FindMinimum[Exp[x] + 1 / x, {x, 1}, StepMonitor :> c++], c}] → {{3.4422772944949744, {x -> 0.7034674224983916}}, 0}{fit, evals} = Reap[FindFit[data, model[{a, k, w, p}], {a, k, w, p}, x, StepMonitor :> Sow[{a, k, w, p}]]] → {FindFit[data, model[{a, k, w, p}], {a, k, w, p}, x, StepMonitor :> Sow[{a, k, w, p}]], {}}

在 Qurak 上运行搜索参考

主题

Differential Equations - Options
Numerical Evaluation And Precision - Algorithm Control & Analysis
Tuning And Debugging - Assertions

相关

EvaluationMonitor Sow Monitor Print Method MaxSteps AccuracyGoal Assert Echo EchoFunction EchoLabel Norm

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