id: 03514910 dt: a an: 03514910 au: Dixon, L.C.W. ti: On the convergence of the variable metric method with numerical derivatives and the effect of noise in the function evaluation. so: Optim. Oper. Res., Proc. Conf. Oberwolfach 1975, Lect. Notes Econ. math. Syst. 117, 35-53 (1976). py: 1976 pu: la: EN cc: ut: ci: li: