Chi2fit.Math.newton

You're seeing just the function newton, go back to Chi2fit.Math module for more information.
Link to this function

newton(a, b, func, maxiter \\ 10, options)

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Specs

newton(
  a :: float(),
  b :: float(),
  func :: (x :: float() -> float()),
  maxiter :: non_neg_integer(),
  options :: Keyword.t()
) :: {float(), {float(), float()}, {float(), float()}}

Newton-Fourier method for locating roots and returning the interval where the root is located.

See [https://en.wikipedia.org/wiki/Newton's_method#Newton.E2.80.93Fourier_method]