A problem in official website 'Least-Squares (Model Fitting) Algorithms'

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Zhanchun Yang
Zhanchun Yang 2022-8-25
回答： Alan Weiss 2022-8-29
Under 'Levenberg-Marquardt Method', it says 'Consequently, for some sufficiently large λk, the term F(xk + dk) < F(xk) holds true'. 'F(xk + dk)<F(xk)' should be corrected to 'norm(F(xk + dk))<norm(F(xk))' . Right?
  2 个评论
Steven Lord
Steven Lord 2022-8-25
Searching the online documentation for 'Levenberg-Marquardt Method' found 73 hits in the documentation itself, with additional hits in the Examples, Functions, Blocks, Apps, Videos, Answers, and File Exchange categories. To which of those pages does your feedback relate? Please post a link to the page in question.

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采纳的回答

Alan Weiss
Alan Weiss 2022-8-29
Thank you for pointing out this long-standing error in the documentation. I will fix the error as soon as practicable.
Alan Weiss
MATLAB mathematical toolbox documentation

更多回答（1 个）

Bruno Luong
Bruno Luong 2022-8-27
I think more like
... f(xk + dk) < f(xk) holds true

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