Optimal choice of a parameter for the operator method of the solution of the Schrodinger equation
Cahn Za An, И. Д. Феранчук, L I Komarov, L S Nakhamchik · Journal of Physics A Mathematical and General · 1986
The rate of convergence of the operator method iterative series as a function of the variational parameter is investigated numerically. The optimal method of calculation of this parameter is proposed.