A technique of nonlinear mathematical programming good for grounding an optimal technological process of nitrogenization in a distributed environment of electrostatic field is proposed. The technique is based on the quadratic approximation for deviations of the vector argument of physics-chemical factors of metal working from some given regime of nitrogenization and imposes minimal requirements to experimental data in the process of identification of the mathematical model of the process of obtaining a nitrogenized layer.

nonlinear vector regression, optimization of metal working.