1@c Copyright (C) 1997-2019 John W. Eaton 2@c 3@c This file is part of Octave. 4@c 5@c Octave is free software: you can redistribute it and/or modify it 6@c under the terms of the GNU General Public License as published by 7@c the Free Software Foundation, either version 3 of the License, or 8@c (at your option) any later version. 9@c 10@c Octave is distributed in the hope that it will be useful, but 11@c WITHOUT ANY WARRANTY; without even the implied warranty of 12@c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13@c GNU General Public License for more details. 14@c 15@c You should have received a copy of the GNU General Public License 16@c along with Octave; see the file COPYING. If not, see 17@c <https://www.gnu.org/licenses/>. 18 19@node Nonlinear Functions, Nonlinear Equations, Ranges, Top 20@chapter Nonlinear Functions 21@cindex nonlinear functions 22 23@deftypefn {} {} NLFunc (void) 24@deftypefnx {} {} NLFunc (const @var{nonlinear_fcn}) 25@deftypefnx {} {} NLFunc (const @var{nonlinear_fcn}, const @var{jacobian_fcn}) 26@deftypefnx {} {} NLFunc (const NLFunc &@var{a}) 27@end deftypefn 28 29@deftypefn {} NLFunc& {operator =} (const NLFunc &@var{a}) 30@end deftypefn 31 32@deftypefn {} nonlinear_fcn function (void) const; 33@end deftypefn 34 35@deftypefn {} NLFunc& set_function (const nonlinear_fcn @var{f}) 36@end deftypefn 37 38@deftypefn {} jacobian_fcn jacobian_function (void) const; 39@end deftypefn 40 41@deftypefn {} NLFunc& set_jacobian_function (const jacobian_fcn @var{j}) 42@end deftypefn 43