minimize 122 modules/core/include/opencv2/core/optim.hpp virtual double minimize(InputOutputArray x) = 0; minimize 79 modules/core/src/conjugate_gradient.cpp double minimize(InputOutputArray x); minimize 48 modules/core/test/test_conjugate_gradient.cpp double res=solver->minimize(x); minimize 56 modules/core/test/test_downhill_simplex.cpp double res=solver->minimize(x);