Nonlinear Equations

Routines

Zeros of a Polynomial

Real coefficients using Laguerre method ZPLRC

Real coefficients using Jenkins-Traub method ZPORC

Complex coefficients ZPOCC

Zero(s) of a Function

Zeros of a complex analytic function ZANLY

Zero of a real univariate function ZUNI

Zero of a real function with sign changes ZBREN

Zeros of a real function ZREAL

Root of a System of Equations

Finite-difference Jacobian NEQNF

Analytic Jacobian NEQNJ

Broyden’s update and Finite-difference Jacobian NEQBF

Factored secant update with a user-supplied Jacobian NEQBJ