The stream function is differenced on the grid to produce a velocity field, which is finally interpolated back to the vortex positions.
We can also see that there are eight surfaces interpolated from the adjacent pairs of arc elements.
Also, for two-point ray tracing the index of refraction must be interpolated.
In these cases, receptivefield position was interpolated from background activity and the location is marked by a dot only.
In this analysis, r is interpolated from the scale of megabases to one of kilobases.
The interpolated data were also used when obtaining all contour plots presented in this paper.
The distribution function at those positions must then be interpolated from its discretization on a grid.
Because this trajectory rate is very high, the spaces between any two interpolated joint values are very small.
