Inverse Distance to a Power Math

The equation used for Inverse Distance to a Power is:

$image\img00016.png$

$image\img00017.png$

where:

hij	is the effective separation distance between grid node "j" and the neighboring point "i."
$image\img00018.png$	is the interpolated value for grid node "j";
Zi	are the neighboring points;
dij	is the distance between the grid node "j" and the neighboring point "i";
$image\betachar.png$	is the weighting power (the Power parameter); and
$image\deltachar.png$	is the Smoothing parameter.

See Also