Nonlinear Equations
Routines
Zeros of a Polynomial
Real coefficients using Laguerre method
ZPLRCReal coefficients using Jenkins-Traub method
ZPORCComplex coefficients
ZPOCCZero(s) of a Function
Zeros of a complex analytic function
ZANLYZero of a real univariate function
ZUNIZero of a real function with sign changes
ZBRENZeros of a real function
ZREALRoot of a System of Equations
Finite-difference Jacobian
NEQNFBroyden’s update and Finite-difference Jacobian
NEQBFFactored secant update with a user-supplied Jacobian
NEQBJ
