| c05nbc | Solution of a system of nonlinear equations (function values only) |
| c05pbc | Solution of a system of nonlinear equations (using first derivatives) |
| c05tbc | Solution of a system of nonlinear equations (function values only), thread-safe |
| c05ubc | Solution of a system of nonlinear equations (using first derivatives), thread-safe |
| d02gac | Ordinary differential equations solver, for simple nonlinear two-point boundary value problems, using a finite difference technique with deferred correction |
| e04fcc | Unconstrained nonlinear least-squares (no derivatives required) |
| e04gbc | Unconstrained nonlinear least-squares (first derivatives required) |
| e04unc | Solves nonlinear least-squares problems using the sequential QP method |
| e04wdc | Solves the nonlinear programming (NP) problem |
| e04xac | Computes an approximation to the gradient vector and/or the Hessian matrix |
| e04ycc | Covariance matrix for nonlinear least-squares |