The use of extrapolation techniques with electrical network analogue solutions

The note outlines briefly simple numerical techniques which are used in finite difference mathematics to estimate the infinitesimal result from finite difference solutions taken with various network sizes. By virtue of the direct analogy between first order difference operators and electrical network voltages, these techniques are directly applicable to extrapolation procedures on characteristic values obtained from networks. In using these procedures the importance of selecting an extrapolation form consistent with the accuracy of the individual characteristic value determinations is emphasized.