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extended MinProblemSolver::Function to 1) report the space dimensionality, 2) compute gradient if needed

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This commit is contained in:
Vadim Pisarevsky
2015-05-05 15:56:06 +03:00
parent 5b9182ba43
commit 63a63e3eaa
5 changed files with 32 additions and 5 deletions
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modules/core/test/test_downhill_simplex.cpp
+2
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@@ -68,11 +68,13 @@ static void mytest(cv::Ptr<cv::DownhillSolver> solver,cv::Ptr<cv::MinProblemSolv
class SphereF:public cv::MinProblemSolver::Function{
public:
int getDims() const { return 2; }
double calc(const double* x)const{
return x[0]*x[0]+x[1]*x[1];
}
};
class RosenbrockF:public cv::MinProblemSolver::Function{
int getDims() const { return 2; }
double calc(const double* x)const{
return 100*(x[1]-x[0]*x[0])*(x[1]-x[0]*x[0])+(1-x[0])*(1-x[0]);
}