Figure 1
A quadrupole electric field, left, 400 × 400 pixel analytic solution, centre, 40 × 40 pixel exported subset, right, 400 × 400 pixel interpolation of the subset.
Figure 2
The magnitude of the magnetic field around a ring magnet, left, 400 × 400 pixel finite-element analysis model, centre, 40 × 40 pixel exported subset, right, 400 × 400 pixel interpolation of the subset.
Figure 3
Root-mean-square error in interpolated data as compared to ‘true’ values from either a finite-element analysis model or an analytic solution.