_minimize_dogleg(fun, x0, args=(), jac=None, hess=None, **trust_region_options)
Initial trust-region radius.
Maximum value of the trust-region radius. No steps that are longer than this value will be proposed.
Trust region related acceptance stringency for proposed steps.
Gradient norm must be less than :None:None:`gtol` before successful termination.
Minimization of scalar function of one or more variables using the dog-leg trust-region algorithm.
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