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[oMetah-devel] ometah/problem CEC05/itsCEC05_SSRPO_Base.cpp CE...
From: |
NoJhan |
Subject: |
[oMetah-devel] ometah/problem CEC05/itsCEC05_SSRPO_Base.cpp CE... |
Date: |
Fri, 03 Jun 2005 09:37:48 -0400 |
CVSROOT: /cvsroot/ometah
Module name: ometah
Branch:
Changes by: NoJhan <address@hidden> 05/06/03 13:37:48
Modified files:
problem/CEC05 : itsCEC05_SSRPO_Base.cpp itsCEC05_SSRPO_Base.hpp
Removed files:
problem : itsRosenbrock.cpp itsRosenbrock.hpp
Log message:
* Rosenbrock problem moved in the CEC05 benchmark
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/ometah/ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp.diff?tr1=1.6&tr2=1.7&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/ometah/ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp.diff?tr1=1.6&tr2=1.7&r1=text&r2=text
Patches:
Index: ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp
diff -u ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp:1.6
ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp:1.7
--- ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp:1.6 Fri Jun 3 13:31:03 2005
+++ ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp Fri Jun 3 13:37:47 2005
@@ -1,5 +1,5 @@
/***************************************************************************
- * $Id: itsCEC05_SSRPO_Base.cpp,v 1.6 2005/06/03 13:31:03 nojhan Exp $
+ * $Id: itsCEC05_SSRPO_Base.cpp,v 1.7 2005/06/03 13:37:47 nojhan Exp $
* Author: Johann Dréo <address@hidden>
****************************************************************************/
@@ -387,3 +387,55 @@
{
return new itsSphere();
}
+
+
+
+/*******************************************************************************
+ * Rosenbrock
+
******************************************************************************/
+
+itsRosenbrock::itsRosenbrock()
+{
+ // informations
+ setName("Rosenbrock");
+ setKey("Rosenbrock");
+ setDescription("Rosenbrock is a classical test problem");
+ setCitation("Unknown");
+
setFormula("$R_{n}(\\overrightarrow{x})=\\sum_{i=1}^{n-1}\\left(100\\cdot\\left(x_{i}^{2}-x_{i+1}\\right)^{2}+\\left(x_{i}-1\\right)^{2}\\right)$");
+
+ setDimension(1); // one dimension is the default, but one may change it
after instanciation
+
+ setBoundsMinimaAll(-5);
+ setBoundsMaximaAll(10);
+
+ vector<itsPoint> optim;
+ itsPoint pt;
+ vector<double> sol(getDimension(),1);
+ pt.setSolution(sol); // a vector of 1
+ vector<double> val(1,0);
+ pt.setValues(val); // a value of 0
+ optim.push_back(pt);
+ setOptima(optim);
+}
+
+itsPoint itsRosenbrock::objectiveFunction(itsPoint point)
+{
+ double rosen=0.0;
+ int dim=getDimension();
+
+ for (int i=0;i<dim;i++) {
+ double X=point.getSolution()[i];
+ double Y=point.getSolution()[i+1];
+ rosen+=(100*(X*X-Y)*(X*X-Y)+(X-1)*(X-1));
+ }
+
+ vector<double> val(1,rosen);
+ point.setValues(val);
+
+ return point;
+}
+
+itsProblem * itsRosenbrockFactory::create()
+{
+ return new itsRosenbrock();
+}
Index: ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp
diff -u ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp:1.6
ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp:1.7
--- ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp:1.6 Fri Jun 3 13:31:03 2005
+++ ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp Fri Jun 3 13:37:47 2005
@@ -1,5 +1,5 @@
/***************************************************************************
- * $Id: itsCEC05_SSRPO_Base.hpp,v 1.6 2005/06/03 13:31:03 nojhan Exp $
+ * $Id: itsCEC05_SSRPO_Base.hpp,v 1.7 2005/06/03 13:37:47 nojhan Exp $
* Author: Johann Dréo <address@hidden>
****************************************************************************/
@@ -138,4 +138,20 @@
itsProblem * create();
};
+
+/***** Schwefel *****/
+
+class itsRosenbrock : public itsProblem
+{
+public:
+ itsRosenbrock();
+ itsPoint objectiveFunction(itsPoint point);
+};
+
+class itsRosenbrockFactory : public itsProblemFactory
+{
+public:
+ itsProblem * create();
+};
+
#endif
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