lotka_volterra.cpp
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00001 /*
00002  *    This file is part of ACADO Toolkit.
00003  *
00004  *    ACADO Toolkit -- A Toolkit for Automatic Control and Dynamic Optimization.
00005  *    Copyright (C) 2008-2014 by Boris Houska, Hans Joachim Ferreau,
00006  *    Milan Vukov, Rien Quirynen, KU Leuven.
00007  *    Developed within the Optimization in Engineering Center (OPTEC)
00008  *    under supervision of Moritz Diehl. All rights reserved.
00009  *
00010  *    ACADO Toolkit is free software; you can redistribute it and/or
00011  *    modify it under the terms of the GNU Lesser General Public
00012  *    License as published by the Free Software Foundation; either
00013  *    version 3 of the License, or (at your option) any later version.
00014  *
00015  *    ACADO Toolkit is distributed in the hope that it will be useful,
00016  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018  *    Lesser General Public License for more details.
00019  *
00020  *    You should have received a copy of the GNU Lesser General Public
00021  *    License along with ACADO Toolkit; if not, write to the Free Software
00022  *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00023  *
00024  */
00025 
00026 
00027 
00035 #include <acado/validated_integrator/ellipsoidal_integrator.hpp>
00036 
00037 
00038 USING_NAMESPACE_ACADO
00039     
00040 typedef TaylorVariable<Interval> T;
00041 
00042 /* >>> start tutorial code >>> */
00043 int main( ){
00044 
00045     // DEFINE VARIABLES:
00046     // ----------------------
00047         DifferentialState      x,y;
00048         Parameter                p; 
00049         DifferentialEquation     f;
00050         
00051         f << dot(x) == p*x*(1.0-y);
00052         f << dot(y) == p*y*(x-1.0);
00053 
00054         TaylorModel<Interval> Mod( 1, 4 );
00055         
00056         Tmatrix<T> x_init(2);
00057         x_init(0) = 1.2;
00058         x_init(1) = 1.1;
00059         
00060         Tmatrix<T> p_init(1);
00061         p_init(0) = T( &Mod, 0, Interval(2.95,3.05));
00062         
00063         EllipsoidalIntegrator integrator( f, 5 );
00064 
00065         integrator.set(INTEGRATOR_PRINTLEVEL   , MEDIUM );
00066         integrator.set(PRINT_INTEGRATOR_PROFILE, YES    );
00067         integrator.set(INTEGRATOR_TOLERANCE    , 1e-6   );
00068         integrator.set(ABSOLUTE_TOLERANCE      , 1e-6   );
00069         
00070         integrator.integrate( 0.0, 8.0, &x_init, &p_init );
00071 //      integrator.step( 0.0, 1.0, &x_init, &p_init );
00072 
00073         
00074         
00075     return 0;
00076 }
00077 /* <<< end tutorial code <<< */
00078 
00079 


acado
Author(s): Milan Vukov, Rien Quirynen
autogenerated on Thu Aug 27 2015 11:59:05