function?[xf?S?cnt]?=?LMFsolve（varargin）
%?Solve?a?Set?of?Overdetermined?Nonlinear?Equations?in?Least-Squares?Sense.
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%?A?solution?is?obtained?by?a?Fletcher?version?of?the?Levenberg-Maquardt?
%?algoritm?for?minimization?of?a?sum?of?squares?of?equation?residuals.?
%
%?[Xf?Ssq?CNT]?=?LMFsolve（FUNXoOptions）
%?FUN?????is?a?function?handle?or?a?function?M-file?name?that?evaluates
%?????????m-vector?of?equation?residuals
%?Xo??????is?n-vector?of?initial?guesses?of?solution
%?Options?is?an?optional?set?of?Name/Value?pairs?of?control?parameters?
%?????????of?the?algorithm.?It?may?be?also?preset?by?calling:
%?????????Options?=?LMFsolve（‘default‘）?or?by?a?set?of?Name/Value?pairs:
%?????????Options?=?LMFsolve（‘Name‘Value?...?）