Figure 13: Convergence for of (6) with from (42). The curve is as in (1), and theta = pi/2, npan = 11, and evec = 1. The reference value is taken as . (a) Results from the inner product preserving scheme of Appendix D produced with demo10.m. (b) Results with RCIP according to (47) and (48) produced with demo10b.m.