The default Finance.Solver: Newton-Raphson using the analytic derivative of
the net present value, with a bracketing bisection fallback when a Newton step
wanders outside the (-1, ∞) domain or fails to converge.
The default Finance.Solver: Newton-Raphson using the analytic derivative of
the net present value, with a bracketing bisection fallback when a Newton step
wanders outside the (-1, ∞) domain or fails to converge.