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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: RelLineSrchBnd option for fmincon
Replies: 4   Last Post: Jul 18, 2013 5:11 PM

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Posts: 134
Registered: 6/28/08
Re: RelLineSrchBnd option for fmincon
Posted: Jan 3, 2013 1:52 PM
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> Hi all,
>
> I have question regarding the use of the RelLineSrchBnd and
> RelLineSrchBndDuration options for fmincon.
>
> I am not sure if I understand the description given in the
> help documentation. It says that it sets the relative bound
> on the line search step such that total displacement in x
> satisfies |delta xi| =< RelLineSrchBnd*max(|xi|,|typical
> xi|). Could someone explain to me what this means, and
> under what circumstances adjusting this option would be
> useful? Is it common to use this option?
>
> Thanks,
> Mike

Very interesting point. I am wondering about this aspect. Someone can answer?

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