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| Levenberg Marquardt, beginners question http://forum.alglib.net/viewtopic.php?f=2&t=3759 |
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| Author: | Sergey.Bochkanov [ Tue Jul 19, 2016 1:29 pm ] |
| Post subject: | Re: Levenberg Marquardt, beginners question |
> Thank you. Does this mean that a good choice of scaling > is to set the scaling equal to my upper bounds? In most cases - yes. However, if you have coefficient whose bounds are [0.001,1], lower bound seems to be more appropriate. |
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| Author: | Chillosaurus [ Wed Jul 20, 2016 1:36 pm ] |
| Post subject: | Re: Levenberg Marquardt, beginners question |
>> In most cases - yes. However, if you have coefficient whose bounds are [0.001,1], lower bound seems to be more appropriate. How can I know if upper or lower bound is more appropiate for the selection of the scaling coefficient? |
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