https://doi.org/10.4169/amer.math.monthly.123.5.471 https://www.jstor.org/stable/10.4169/amer.math.monthly.123.5.471 We study a representation for polynomial ...
With inverse distance weighting we interpolated to new, unobserved locations by using a weighted average of the values at sampled locations, with the weights inversely proportional to the distance to ...