Figure 5From: Exact schemes for second-order linear differential equations in self-adjoint casesLocal Green functions for \(\kappa (x)\) in Eq. (6.1) Graphs of the local Green functions \(\psi _{i}\) (solid line) and \(\varphi _{i}\) (dotted line) in the case of the piecewise constant \(\kappa (x)\)Back to article page