APM.RTOL - APMonitor Option

Main.OptionApmRtol History

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June 09, 2017, at 12:28 AM by -
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See also [[Main/OptionApmOtol|OTOL]], [[Main/OptionApmSolver|SOLVER]]
June 01, 2017, at 07:47 PM by -
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(:title APM.RTOL - APMonitor Option:)
(:keywords APM.RTOL, Optimization, Estimation, Option, Configure, Default, Description:)
(:description Equation solution tolerance:)


 Type: Floating Point, Input
 Default Value: 1.0e-6
 Description: Equation solution tolerance

RTOL is the relative inequality or equality equation tolerance for reporting a successful solution. A lower value of RTOL, such as 1e-8, will give a more precise answer but at the expense of more iterations. The default of 1e-6 is generally sufficient for most problems. However, there are times when the equation solution should be reported more precisely. Making RTOL too small may cause a bad solution to be reported because it surpasses the computer precision. RTOL and OTOL (relative tolerance for the objective function) should generally be adjusted together.