Difference between Search and Poll method in Pattern Search
in [Matlab]
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From: SACHIN DEVASSY on 3 Apr 2010 00:56 Sir I have doubts regarding Pattern Search .Could you please tell me the difference between Search and Poll. In Matlab user guide, Polling has been explained but Search is not. Thanking you
From: us on 3 Apr 2010 03:24 "SACHIN DEVASSY" <sachindevassy(a)gmail.com> wrote in message <hp6hp3$mh5$1(a)fred.mathworks.com>... > Sir > > I have doubts regarding Pattern Search .Could you please tell me the difference between Search and Poll. In Matlab user guide, Polling has been explained but Search is not. > Thanking you what are you referring to(?)... us
From: SACHIN DEVASSY on 3 Apr 2010 05:44 Sir I wanted to know the difference between Search and Poll in the Pattern Search algorithm available in Genetic Algorithm and Direct Search Toolbox.Both Search and Poll have the following methods 1)GPSPositiveBasis2N 2)GPSPositiveBasisNp1 3)MADSPositiveBasis2N 4)MADSPositiveBasisNp1.Is there any reference for which explains these terms in simple terms other than Matlab User Guide. Thanks
From: Alan Weiss on 4 Apr 2010 09:00 SACHIN DEVASSY wrote: > Sir > > I wanted to know the difference between Search and Poll in the Pattern > Search algorithm available in Genetic Algorithm and Direct Search > Toolbox.Both Search and Poll have the following methods > 1)GPSPositiveBasis2N 2)GPSPositiveBasisNp1 3)MADSPositiveBasis2N > 4)MADSPositiveBasisNp1.Is there any reference for which explains these > terms in simple terms other than Matlab User Guide. > > Thanks As explained (albeit briefly) in http://www.mathworks.com/access/helpdesk/help/toolbox/gads/f8355.html#f7292 “In addition to polling the mesh points, the pattern search algorithm can perform an optional step at every iteration, called search. At each iteration, the search step applies another optimization method to the current point. If this search does not improve the current point, the poll step is performed.” Alan Weiss MATLAB mathematical toolbox documentation
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