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