TY JOUR TI NUMERICAL CALCULATION OF THE EXCHANGE MATRIX WHEN SOLVING THE PROBLEM OF OPTIMIZATION OF DISTRIBUTION HEAT SOURCES KW density heat sources KW the inverse heat conduction problem KW the optimal control problem for elliptic boundary value problems KW finite-dimensional approximation KW convection KW heat balance KW the simplex method JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Brusentsev, A.. AU Osipov, O.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov