TolX
in [Matlab]
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From: Albrecht on 10 Jun 2010 04:27 Hi, can everyone please explain what exactly the definition of the parameter "Termination tolerance on x" (optimization toolbox) for an vector like x=(x1,x2,...,xn)? Maybe the norm? Thankx, Albrecht
From: Torsten Hennig on 10 Jun 2010 02:11 > Hi, > can everyone please explain what exactly the > definition of the parameter "Termination tolerance on > x" (optimization toolbox) for an vector like > x=(x1,x2,...,xn)? Maybe the norm? > Thankx, Albrecht The norm of the difference of two consecutive x-vectors during the iterative optimization process, I suppose. Best wishes Torsten.
From: Alan Weiss on 10 Jun 2010 08:38 On 6/10/2010 6:11 AM, Torsten Hennig wrote: >> Hi, >> can everyone please explain what exactly the >> definition of the parameter "Termination tolerance on >> x" (optimization toolbox) for an vector like >> x=(x1,x2,...,xn)? Maybe the norm? >> Thankx, Albrecht > > The norm of the difference of two consecutive > x-vectors during the iterative optimization > process, I suppose. > > Best wishes > Torsten. TolX is a stopping criterion; see http://www.mathworks.com/access/helpdesk/help/toolbox/optim/ug/f12471.html#brhv4_o-1 Alan Weiss MATLAB mathematical toolbox documentation
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