TY JOUR TI METHOD OF NON-GRADIENT MINIMIZATION POWELL'64 IN THE TASKS OF MONITORING OPERATION OF MARINE DIESEL ENGINES KW non-gradient minimization KW the Rosenbrock function KW diesel engine operation KW compression polytrope KW functional KW the Least-squares method JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Yeryganov, A.. AU Maulevych, V.. AU Varbanets, R.. AU Zholtikov, E.. AU Ivanovskiy, V.. AU Kucherenko, Y.. PY 2017 IS 2017 PB Astrakhan State Technical University