/gumtree/benchmark/datasets/defects4j/after/Math/6

• src_main_java_org_apache_commons_math3_optim_BaseOptimizer.java
• src_main_java_org_apache_commons_math3_optim_nonlinear_scalar_gradient_NonLinearConjugateGradientOptimizer.java
• src_main_java_org_apache_commons_math3_optim_nonlinear_scalar_noderiv_CMAESOptimizer.java
• src_main_java_org_apache_commons_math3_optim_nonlinear_scalar_noderiv_PowellOptimizer.java
• src_main_java_org_apache_commons_math3_optim_nonlinear_scalar_noderiv_SimplexOptimizer.java
• src_main_java_org_apache_commons_math3_optim_nonlinear_vector_jacobian_GaussNewtonOptimizer.java
• src_main_java_org_apache_commons_math3_optim_nonlinear_vector_jacobian_LevenbergMarquardtOptimizer.java