.. index:: single: secant_root_finder(Function) .. _secant_root_finder/1: .. rst-class:: right **object** ``secant_root_finder(Function)`` ================================ * ``Function`` - Object implementing ``univariate_function_protocol``. Derivative-free secant root finder using two initial guesses. | **Availability:** | ``logtalk_load(numerical_analysis(loader))`` | **Author:** Paulo Moura | **Version:** 1:0:0 | **Date:** 2026-09-04 | **Compilation flags:** | ``static, context_switching_calls`` | **Imports:** | ``public`` :ref:`root_finder(Function) ` | **Remarks:** | (none) | **Inherited public predicates:** |  :ref:`options_protocol/0::check_option/1`  :ref:`options_protocol/0::check_options/1`  :ref:`options_protocol/0::default_option/1`  :ref:`options_protocol/0::default_options/1`  :ref:`root_finder_protocol/0::find_root/2`  :ref:`root_finder_protocol/0::find_root/3`  :ref:`root_finder_protocol/0::find_root/4`  :ref:`options_protocol/0::option/2`  :ref:`options_protocol/0::option/3`  :ref:`options_protocol/0::valid_option/1`  :ref:`options_protocol/0::valid_options/1`   .. contents:: :local: :backlinks: top Public predicates ----------------- (no local declarations; see entity ancestors if any) Protected predicates -------------------- (no local declarations; see entity ancestors if any) Private predicates ------------------ (no local declarations; see entity ancestors if any) Operators --------- (none) .. seealso:: :ref:`root_finder_protocol `, :ref:`bisection_root_finder(Function) `, :ref:`newton_root_finder(Function) `