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[oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it...
From: |
NoJhan |
Subject: |
[oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it... |
Date: |
Fri, 03 Jun 2005 09:16:59 -0400 |
CVSROOT: /cvsroot/ometah
Module name: ometah
Branch:
Changes by: NoJhan <address@hidden> 05/06/03 13:16:59
Modified files:
problem/CEC05 : itsCEC05_SSRPO_Base.cpp itsCEC05_SSRPO_Base.hpp
Log message:
* griewank's function
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/ometah/ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp.diff?tr1=1.3&tr2=1.4&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/ometah/ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp.diff?tr1=1.3&tr2=1.4&r1=text&r2=text
Patches:
Index: ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp
diff -u ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp:1.3
ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp:1.4
--- ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp:1.3 Fri Jun 3 13:01:07 2005
+++ ometah/problem/CEC05/itsCEC05_SSRPO_Base.cpp Fri Jun 3 13:16:59 2005
@@ -1,5 +1,5 @@
/***************************************************************************
- * $Id: itsCEC05_SSRPO_Base.cpp,v 1.3 2005/06/03 13:01:07 nojhan Exp $
+ * $Id: itsCEC05_SSRPO_Base.cpp,v 1.4 2005/06/03 13:16:59 nojhan Exp $
* Author: Johann Dréo <address@hidden>
****************************************************************************/
@@ -212,3 +212,65 @@
{
return new itsWeierstrass();
}
+
+
+
+
+/*******************************************************************************
+ * Griewank
+
******************************************************************************/
+
+
+itsGriewank::itsGriewank()
+{
+ // informations
+ setName("Griewank");
+ setKey("Griewank");
+ setDescription("");
+ setCitation("Unknown");
+
setFormula("$\\sum_{i=1}^{D}\\left(\\frac{x_{i}^{2}}{4000}\\right)-{\\displaystyle
\\prod_{i=1}^{D}\\left(\\cos\\left(\\frac{x_{i}}{\\sqrt{i}}\\right)+1\\right)}$");
+
+ setDimension(1); // one dimension is the default, but one may change it
after instanciation
+
+ setBoundsMinimaAll(0);
+ setBoundsMaximaAll(600);
+
+ vector<itsPoint> optim;
+ itsPoint pt;
+
+ vector<double> sol(getDimension(),0);
+ pt.setSolution(sol); // a vector of 0
+
+ vector<double> val(1,0);
+ pt.setValues(val); // a value of 0
+
+ optim.push_back(pt);
+ setOptima(optim);
+}
+
+itsPoint itsGriewank::objectiveFunction(itsPoint point)
+{
+ unsigned int dim = getDimension();
+ vector<double> x=point.getSolution();
+
+ long double s, p;
+ long double res;
+ s = 0.0;
+ p = 1.0;
+ for (unsigned int i=0; i<dim; i++)
+ {
+ s += x[i] * x[i];
+ p *= cos( x[i] / sqrt( 1.0 + i ) );
+ }
+ res = 1.0 + s / 4000.0 - p;
+
+ vector<double> val(1,res);
+ point.setValues(val);
+
+ return point;
+}
+
+itsProblem * itsGriewankFactory::create()
+{
+ return new itsGriewank();
+}
Index: ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp
diff -u ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp:1.3
ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp:1.4
--- ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp:1.3 Fri Jun 3 13:01:07 2005
+++ ometah/problem/CEC05/itsCEC05_SSRPO_Base.hpp Fri Jun 3 13:16:59 2005
@@ -1,5 +1,5 @@
/***************************************************************************
- * $Id: itsCEC05_SSRPO_Base.hpp,v 1.3 2005/06/03 13:01:07 nojhan Exp $
+ * $Id: itsCEC05_SSRPO_Base.hpp,v 1.4 2005/06/03 13:16:59 nojhan Exp $
* Author: Johann Dréo <address@hidden>
****************************************************************************/
@@ -83,4 +83,19 @@
};
+/***** Griewank *****/
+
+class itsGriewank : public itsProblem
+{
+public:
+ itsGriewank();
+ itsPoint objectiveFunction(itsPoint point);
+};
+
+class itsGriewankFactory : public itsProblemFactory
+{
+public:
+ itsProblem * create();
+};
+
#endif
- [oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it..., NoJhan, 2005/06/03
- [oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it..., NoJhan, 2005/06/03
- [oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it..., NoJhan, 2005/06/03
- [oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it...,
NoJhan <=
- [oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it..., NoJhan, 2005/06/03
- [oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it..., NoJhan, 2005/06/03
- [oMetah-devel] ometah/problem/CEC05 itsCEC05_SSRPO_Base.cpp it..., NoJhan, 2005/06/03