This function tries to solve f(x) = 0, where f is a vector function. Uses Broyden's pseudo-Newton method, where an approximate Jacobian is updated at each iteration step, using no extra function evaluations. The optional bounds keep the search within a rectangular region.
fsolve from the optimisation toolbox is more robust but lacks the bounds option.
Are Mjaavatten (2021). Nonlinear equation system solver: broyden (https://www.mathworks.com/matlabcentral/fileexchange/54667-nonlinear-equation-system-solver-broyden), MATLAB Central File Exchange. Retrieved .
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