akima                   Waveform Distortion Data for Bivariate
                        Interpolation
akima760                Sample data from Akima's Bicubic Spline
                        Interpolation code (TOMS 760)
aspline                 Univariate Akima interpolation
bicubic                 Bivariate Interpolation for Data on a
                        Rectangular grid
bicubic.grid            Bivariate Interpolation for Data on a
                        Rectangular grid
interp                  Gridded Bivariate Interpolation for Irregular
                        Data
interp2xyz              From interp() Result, Produce 3-column Matrix
interpp                 Pointwise Bivariate Interpolation for Irregular
                        Data
