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Indicates that the function found a zero x. Returns a value exitflag that describes the exit condition of fzero: Returns the value of the objective function fun at the solution x. Use options = as a placeholder if no options are set. Provides for additional arguments passed to the function, fun. 'off' displays no output 'iter' displays output at each iteration 'final' displays just the final output 'notify' (default) dislays output only if the function does not converge. fzero uses these options structure fields: You can define these parameters using the optimset function.
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Minimizes with the optimization parameters specified in the structure options. Calling fzero with such an interval guarantees fzero will return a value near a point where fun changes sign. If x0 is a vector of length two, fzero assumes x0 is an interval where the sign of fun(x0(1)) differs from the sign of fun(x0(2)). In this case, the search terminates when the search interval is expanded until an Inf, NaN, or complex value is found. The value x returned by fzero is near a point where fun changes sign, or NaN if the search fails. Tries to find a zero of fun near x0, if x0 is a scalar. Fzero (MATLAB Functions) MATLAB Function Reference